s</p></li>
<li><p><strong>Multimodal</strong>: Segmentation of images acquired with different protocols, where the highest resolution image has already been segmented as <em>new subject</em></p></li>
<li><p><strong>Longitudinal</strong>: Segmentation of followup images, where the baseline image has already been segmented as <em>new subject</em></p></li>
</ul>
<p>For the execution, the differences among the three modalities are:</p>
<ul class="simple">
<li><p>The <strong>reference image</strong></p></li>
<li