fix ICSE'21 athors

Author: peitek

index.html

@@ -129,6 +129,8 @@ <h3>Program Comprehension and Code Complexity Metrics: An fMRI Study (ICSE 21)</
                 <ul class="authors">
                     <li>Norman Peitek</li>
                     <li><a href="http://www.infosun.fim.uni-passau.de/se/apel/">Sven Apel</a></li>
+                    <li><a href="http://www.chrisparnin.me">Chris Parnin</a></li>
+                    <li>Andre Brechmann</li>
                     <li><a href="https://www.tu-chemnitz.de/informatik/ST/professur/professor.php.en">Janet Siegmund</a></li>                    
                 </ul>
                 <summary>