diff --git a/01-Image_Modalities.html b/01-Image_Modalities.html
index 6cfc145..f37e0bc 100644
--- a/01-Image_Modalities.html
+++ b/01-Image_Modalities.html
@@ -457,7 +457,7 @@ <h3 class="callout-title">pulse sequence parameters and image contrast<a class="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Repetition time (TR) and echo time (TE) are the two pulse sequence
 parameters that dictate the T1w and T2w image contrasts. TR &gt; TE.</p>
@@ -500,7 +500,7 @@ <h3 class="callout-title">Tissue type and image contrast<a class="anchor" aria-l
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>White Matter (i.e. axonal tracts)</p>
 </div>
@@ -675,7 +675,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/01-Image_Modalities.html",
   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/02-Image_Cleanup.html b/02-Image_Cleanup.html
index 77b5581..47001d1 100644
--- a/02-Image_Cleanup.html
+++ b/02-Image_Cleanup.html
@@ -423,7 +423,7 @@ <h3 class="callout-title">Bias field correction quiz<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Bias field is modeled as multiplicative factor, whereas noise is
 typically assumed as additive and spatially independent (Gaussian)
@@ -556,7 +556,7 @@ <h3 class="callout-title">Brain extraction quiz<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Brain mask at this stage only offers a crude estimate about total
 brain volume. It can be used for quality control (e.g. detecting
@@ -702,7 +702,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/02-Image_Cleanup.html",
   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/03-Image_Spatial_Normalization.html b/03-Image_Spatial_Normalization.html
index b5329ff..f9b2f53 100644
--- a/03-Image_Spatial_Normalization.html
+++ b/03-Image_Spatial_Normalization.html
@@ -486,7 +486,7 @@ <h3 class="callout-title">Quiz: coordinate systems<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Downsampling reduces the number of total voxels in the image.
 Consequently the voxel-spacing is increased as more anatomical space is
@@ -657,7 +657,7 @@ <h3 class="callout-title">Quiz: Image registration<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>The deformation fields encode information regarding local
 morphometric brain changes. These can be quantified using “Jacobians” of
@@ -777,7 +777,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/03-Image_Spatial_Normalization.html",
   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/04-Image_Quantification.html b/04-Image_Quantification.html
index 5a81b9c..dcb7686 100644
--- a/04-Image_Quantification.html
+++ b/04-Image_Quantification.html
@@ -511,7 +511,7 @@ <h3 class="callout-title">Jupyter notebook challenge<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Hint </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Try to switch the variable of one T1 image for another.</p>
 </div>
@@ -557,7 +557,7 @@ <h3 class="callout-title">A simple matter of thresholding ?<a class="anchor" ari
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>From the shape of the histogram we can see there is some overlap
 between the tissue distributions. Segmentation on intensity alone is
@@ -627,7 +627,7 @@ <h3 class="callout-title">Jupyter notebook challenge<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Hint </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Try to explore the BIDSLayout output to find the right surface
 file.</p>
@@ -669,7 +669,7 @@ <h3 class="callout-title">Segmentation problems in disease<a class="anchor" aria
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>An algorithm expecting three tissues types may misclassify lesions as
 GM on T1 images. Filling lesions with intensity corresponding to WM is a
@@ -747,7 +747,7 @@ <h3 class="callout-title">Probability atlas threshold<a class="anchor" aria-labe
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>In virtually all cases no single probability threshold will result in
 each voxel (or vertex) belonging to a unique ROI. A high threshold will
@@ -941,7 +941,7 @@ <h3 class="callout-title">Jupyter notebook challenge<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Hint </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>This exercise involves a change of both ROI and hemisphere.</p>
 </div>
@@ -1031,7 +1031,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/04-Image_Quantification.html",
   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/05-Image_QC.html b/05-Image_QC.html
index 5ab788b..ea6ece8 100644
--- a/05-Image_QC.html
+++ b/05-Image_QC.html
@@ -510,7 +510,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/05-Image_QC.html",
   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/06-Statistical_Analysis.html b/06-Statistical_Analysis.html
index a7fabae..52af6ed 100644
--- a/06-Statistical_Analysis.html
+++ b/06-Statistical_Analysis.html
@@ -1612,7 +1612,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/06-Statistical_Analysis.html",
   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/07-Reproducibility.html b/07-Reproducibility.html
index 956486b..1b10780 100644
--- a/07-Reproducibility.html
+++ b/07-Reproducibility.html
@@ -496,7 +496,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/07-Reproducibility.html",
   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index eb34d9b..9690b15 100644
--- a/404.html
+++ b/404.html
@@ -386,8 +386,8 @@ <h1>Page not found</h1>
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/404.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/404.html",
   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
+  "dateModified": "2024-08-13",
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 402d55d..1fddfd2 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -404,7 +404,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/CODE_OF_CONDUCT.html",
   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index 8d71974..83e9422 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -455,7 +455,7 @@ <h1>Licenses</h1>
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/LICENSE.html",
   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index d966ee0..5cdbcc6 100644
--- a/aio.html
+++ b/aio.html
@@ -519,7 +519,7 @@ <h3 class="callout-title">pulse sequence parameters and image contrast<a class="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Repetition time (TR) and echo time (TE) are the two pulse sequence
 parameters that dictate the T1w and T2w image contrasts. TR &gt; TE.</p>
@@ -582,7 +582,7 @@ <h3 class="callout-title">Tissue type and image contrast<a class="anchor" aria-l
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>White Matter (i.e. axonal tracts)</p>
 </div>
@@ -865,7 +865,7 @@ <h3 class="callout-title">Bias field correction quiz<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Bias field is modeled as multiplicative factor, whereas noise is
 typically assumed as additive and spatially independent (Gaussian)
@@ -1032,7 +1032,7 @@ <h3 class="callout-title">Brain extraction quiz<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Brain mask at this stage only offers a crude estimate about total
 brain volume. It can be used for quality control (e.g. detecting
@@ -1320,7 +1320,7 @@ <h3 class="callout-title">Quiz: coordinate systems<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Downsampling reduces the number of total voxels in the image.
 Consequently the voxel-spacing is increased as more anatomical space is
@@ -1561,7 +1561,7 @@ <h3 class="callout-title">Quiz: Image registration<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>The deformation fields encode information regarding local
 morphometric brain changes. These can be quantified using “Jacobians” of
@@ -1812,7 +1812,7 @@ <h3 class="callout-title">Jupyter notebook challenge<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Hint </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Try to switch the variable of one T1 image for another.</p>
 </div>
@@ -1858,7 +1858,7 @@ <h3 class="callout-title">A simple matter of thresholding ?<a class="anchor" ari
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>From the shape of the histogram we can see there is some overlap
 between the tissue distributions. Segmentation on intensity alone is
@@ -1932,7 +1932,7 @@ <h3 class="callout-title">Jupyter notebook challenge<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Hint </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Try to explore the BIDSLayout output to find the right surface
 file.</p>
@@ -1975,7 +1975,7 @@ <h3 class="callout-title">Segmentation problems in disease<a class="anchor" aria
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>An algorithm expecting three tissues types may misclassify lesions as
 GM on T1 images. Filling lesions with intensity corresponding to WM is a
@@ -2055,7 +2055,7 @@ <h3 class="callout-title">Probability atlas threshold<a class="anchor" aria-labe
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>In virtually all cases no single probability threshold will result in
 each voxel (or vertex) belonging to a unique ROI. A high threshold will
@@ -2264,7 +2264,7 @@ <h3 class="callout-title">Jupyter notebook challenge<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Hint </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>This exercise involves a change of both ROI and hemisphere.</p>
 </div>
@@ -3883,8 +3883,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/aio.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/aio.html",
   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
+  "dateModified": "2024-08-13",
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/discuss.html b/discuss.html
index 08d30af..671ab59 100644
--- a/discuss.html
+++ b/discuss.html
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   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
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diff --git a/images.html b/images.html
index a6ba458..fc237dc 100644
--- a/images.html
+++ b/images.html
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   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
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diff --git a/index.html b/index.html
index e2dddbb..7d4a7af 100644
--- a/index.html
+++ b/index.html
@@ -539,8 +539,8 @@ <h3 id="method-2-using-pyenv-linux-macos">Method 2: Using pyenv [Linux, MacOS]<a
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   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
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diff --git a/instructor-notes.html b/instructor-notes.html
index 40fcb3c..9d7f2d6 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -430,8 +430,8 @@ <h1>Instructor Notes</h1>
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor-notes.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor-notes.html",
   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
+  "dateModified": "2024-08-13",
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/instructor/01-Image_Modalities.html b/instructor/01-Image_Modalities.html
index cf8753e..a5b2b22 100644
--- a/instructor/01-Image_Modalities.html
+++ b/instructor/01-Image_Modalities.html
@@ -459,7 +459,7 @@ <h3 class="callout-title">pulse sequence parameters and image contrast<a class="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Repetition time (TR) and echo time (TE) are the two pulse sequence
 parameters that dictate the T1w and T2w image contrasts. TR &gt; TE.</p>
@@ -502,7 +502,7 @@ <h3 class="callout-title">Tissue type and image contrast<a class="anchor" aria-l
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>White Matter (i.e. axonal tracts)</p>
 </div>
@@ -677,7 +677,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
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 }
 
   </script><script>
diff --git a/instructor/02-Image_Cleanup.html b/instructor/02-Image_Cleanup.html
index a4fcb8b..e4749d5 100644
--- a/instructor/02-Image_Cleanup.html
+++ b/instructor/02-Image_Cleanup.html
@@ -425,7 +425,7 @@ <h3 class="callout-title">Bias field correction quiz<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Bias field is modeled as multiplicative factor, whereas noise is
 typically assumed as additive and spatially independent (Gaussian)
@@ -558,7 +558,7 @@ <h3 class="callout-title">Brain extraction quiz<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Brain mask at this stage only offers a crude estimate about total
 brain volume. It can be used for quality control (e.g. detecting
@@ -704,7 +704,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
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 }
 
   </script><script>
diff --git a/instructor/03-Image_Spatial_Normalization.html b/instructor/03-Image_Spatial_Normalization.html
index e249983..bfbefba 100644
--- a/instructor/03-Image_Spatial_Normalization.html
+++ b/instructor/03-Image_Spatial_Normalization.html
@@ -488,7 +488,7 @@ <h3 class="callout-title">Quiz: coordinate systems<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Downsampling reduces the number of total voxels in the image.
 Consequently the voxel-spacing is increased as more anatomical space is
@@ -659,7 +659,7 @@ <h3 class="callout-title">Quiz: Image registration<a class="anchor" aria-label="
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   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>The deformation fields encode information regarding local
 morphometric brain changes. These can be quantified using “Jacobians” of
@@ -779,7 +779,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
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   </script><script>
diff --git a/instructor/04-Image_Quantification.html b/instructor/04-Image_Quantification.html
index e07890b..5c22803 100644
--- a/instructor/04-Image_Quantification.html
+++ b/instructor/04-Image_Quantification.html
@@ -513,7 +513,7 @@ <h3 class="callout-title">Jupyter notebook challenge<a class="anchor" aria-label
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   <h4 class="accordion-header" id="headingSolution1"> Hint </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Try to switch the variable of one T1 image for another.</p>
 </div>
@@ -559,7 +559,7 @@ <h3 class="callout-title">A simple matter of thresholding ?<a class="anchor" ari
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>From the shape of the histogram we can see there is some overlap
 between the tissue distributions. Segmentation on intensity alone is
@@ -629,7 +629,7 @@ <h3 class="callout-title">Jupyter notebook challenge<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Hint </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Try to explore the BIDSLayout output to find the right surface
 file.</p>
@@ -671,7 +671,7 @@ <h3 class="callout-title">Segmentation problems in disease<a class="anchor" aria
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>An algorithm expecting three tissues types may misclassify lesions as
 GM on T1 images. Filling lesions with intensity corresponding to WM is a
@@ -749,7 +749,7 @@ <h3 class="callout-title">Probability atlas threshold<a class="anchor" aria-labe
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>In virtually all cases no single probability threshold will result in
 each voxel (or vertex) belonging to a unique ROI. A high threshold will
@@ -943,7 +943,7 @@ <h3 class="callout-title">Jupyter notebook challenge<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Hint </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>This exercise involves a change of both ROI and hemisphere.</p>
 </div>
@@ -1033,7 +1033,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/instructor/05-Image_QC.html b/instructor/05-Image_QC.html
index fc0403a..31b8a0b 100644
--- a/instructor/05-Image_QC.html
+++ b/instructor/05-Image_QC.html
@@ -512,7 +512,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
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diff --git a/instructor/06-Statistical_Analysis.html b/instructor/06-Statistical_Analysis.html
index 5ab015c..ed2ca64 100644
--- a/instructor/06-Statistical_Analysis.html
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@@ -1614,7 +1614,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
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 }
 
   </script><script>
diff --git a/instructor/07-Reproducibility.html b/instructor/07-Reproducibility.html
index cefee2c..ea98c77 100644
--- a/instructor/07-Reproducibility.html
+++ b/instructor/07-Reproducibility.html
@@ -498,7 +498,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
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 }
 
   </script><script>
diff --git a/instructor/404.html b/instructor/404.html
index 6fac031..7b408fd 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -386,8 +386,8 @@ <h1>Page not found</h1>
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor/404.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor/404.html",
   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
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diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index e994895..9f1f59d 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -406,7 +406,7 @@ <h1>Contributor Code of Conduct</h1>
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   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index 46c394b..d575e26 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -457,7 +457,7 @@ <h1>Licenses</h1>
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   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
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diff --git a/instructor/aio.html b/instructor/aio.html
index c9c8951..1e5c54f 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -522,7 +522,7 @@ <h3 class="callout-title">pulse sequence parameters and image contrast<a class="
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   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Repetition time (TR) and echo time (TE) are the two pulse sequence
 parameters that dictate the T1w and T2w image contrasts. TR &gt; TE.</p>
@@ -585,7 +585,7 @@ <h3 class="callout-title">Tissue type and image contrast<a class="anchor" aria-l
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>White Matter (i.e. axonal tracts)</p>
 </div>
@@ -869,7 +869,7 @@ <h3 class="callout-title">Bias field correction quiz<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Bias field is modeled as multiplicative factor, whereas noise is
 typically assumed as additive and spatially independent (Gaussian)
@@ -1036,7 +1036,7 @@ <h3 class="callout-title">Brain extraction quiz<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Brain mask at this stage only offers a crude estimate about total
 brain volume. It can be used for quality control (e.g. detecting
@@ -1325,7 +1325,7 @@ <h3 class="callout-title">Quiz: coordinate systems<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Downsampling reduces the number of total voxels in the image.
 Consequently the voxel-spacing is increased as more anatomical space is
@@ -1566,7 +1566,7 @@ <h3 class="callout-title">Quiz: Image registration<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>The deformation fields encode information regarding local
 morphometric brain changes. These can be quantified using “Jacobians” of
@@ -1818,7 +1818,7 @@ <h3 class="callout-title">Jupyter notebook challenge<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Hint </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>Try to switch the variable of one T1 image for another.</p>
 </div>
@@ -1864,7 +1864,7 @@ <h3 class="callout-title">A simple matter of thresholding ?<a class="anchor" ari
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>From the shape of the histogram we can see there is some overlap
 between the tissue distributions. Segmentation on intensity alone is
@@ -1938,7 +1938,7 @@ <h3 class="callout-title">Jupyter notebook challenge<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Hint </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Try to explore the BIDSLayout output to find the right surface
 file.</p>
@@ -1981,7 +1981,7 @@ <h3 class="callout-title">Segmentation problems in disease<a class="anchor" aria
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>An algorithm expecting three tissues types may misclassify lesions as
 GM on T1 images. Filling lesions with intensity corresponding to WM is a
@@ -2061,7 +2061,7 @@ <h3 class="callout-title">Probability atlas threshold<a class="anchor" aria-labe
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>In virtually all cases no single probability threshold will result in
 each voxel (or vertex) belonging to a unique ROI. A high threshold will
@@ -2270,7 +2270,7 @@ <h3 class="callout-title">Jupyter notebook challenge<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Hint </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>This exercise involves a change of both ROI and hemisphere.</p>
 </div>
@@ -3892,8 +3892,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor/aio.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor/aio.html",
   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
+  "dateModified": "2024-08-13",
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diff --git a/instructor/discuss.html b/instructor/discuss.html
index 0fde1d8..ddf1cfd 100644
--- a/instructor/discuss.html
+++ b/instructor/discuss.html
@@ -399,7 +399,7 @@ <h1>Discussion</h1>
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   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
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 }
 
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diff --git a/instructor/images.html b/instructor/images.html
index caa7f9a..a92c5e2 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -702,8 +702,8 @@ <h3 id="07-Reproducibility-figure-4">Figure 4</h3>
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor/images.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor/images.html",
   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
+  "dateModified": "2024-08-13",
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 }
 
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diff --git a/instructor/index.html b/instructor/index.html
index 8d99b8c..20546e2 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -623,8 +623,8 @@ <h3 id="method-2-using-pyenv-linux-macos">Method 2: Using pyenv [Linux, MacOS]<a
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   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor/index.html",
   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
+  "dateModified": "2024-08-13",
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 }
 
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diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 3907759..ae56781 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -439,8 +439,8 @@ <h1>Instructor Notes</h1>
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor/instructor-notes.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor/instructor-notes.html",
   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
+  "dateModified": "2024-08-13",
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 5cd925d..8dfd2de 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -474,8 +474,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor/key-points.html",
   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
+  "dateModified": "2024-08-13",
+  "datePublished": "2024-08-13"
 }
 
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diff --git a/instructor/profiles.html b/instructor/profiles.html
index df9026f..718ecee 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -355,8 +355,8 @@ <h1>Learner Profiles</h1>
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor/profiles.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor/profiles.html",
   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
+  "dateModified": "2024-08-13",
+  "datePublished": "2024-08-13"
 }
 
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diff --git a/instructor/reference.html b/instructor/reference.html
index 8f2b82d..80e2b45 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -399,7 +399,7 @@ <h1>Glossary</h1>
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/instructor/reference.html",
   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index d73a9e5..9c180ea 100644
--- a/key-points.html
+++ b/key-points.html
@@ -472,8 +472,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/key-points.html",
   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
+  "dateModified": "2024-08-13",
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index 4631240..c321069 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,4 +2,4 @@ pandoc: 3.1.11
 pkgdown: 2.1.0
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-08-06T00:43Z
+last_built: 2024-08-13T00:44Z
diff --git a/profiles.html b/profiles.html
index 9fbcc3f..c0c20eb 100644
--- a/profiles.html
+++ b/profiles.html
@@ -355,8 +355,8 @@ <h1>Learner Profiles</h1>
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/profiles.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-sMRI/profiles.html",
   "dateCreated": "2024-06-25",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
+  "dateModified": "2024-08-13",
+  "datePublished": "2024-08-13"
 }
 
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diff --git a/reference.html b/reference.html
index 769c7b7..c790b94 100644
--- a/reference.html
+++ b/reference.html
@@ -397,7 +397,7 @@ <h1>Glossary</h1>
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   "dateCreated": "2024-06-25",
   "dateModified": "2024-02-19",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
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