Two more users

staging/index.html

@@ -61,6 +61,7 @@
 <ul>
 <li>CS 6115 at Cornell <a href="http://www.cs.cornell.edu/courses/cs6115/2017fa/">(Fall 2017)</a></li>
 <li>CS750 at IIT Kanpur <a href="https://www.cse.iitk.ac.in/users/ppk/teaching/Programs-Proofs-and-Types/">(Fall 2017)</a></li>
+<li>6.820 at MIT (<a href="https://learning-modules.mit.edu/class/index.html?uuid=/course/6/fa17/6.820">Fall 2017</a>, <a href="http://stellar.mit.edu/S/course/6/fa15/6.820/">Fall 2015</a>, <a href="http://stellar.mit.edu/S/course/6/fa13/6.820/">Fall 2013</a>)</li>
 <li>CMSC631 at U. Maryland <a href="http://cs.umd.edu/class/fall2017/cmsc631/">(Fall 2017)</a></li>
 <li>CS260r at Harvard <a href="http://read.seas.harvard.edu/~kohler/class/cs260r-17/">(Spring 2017)</a></li>
 <li>CS250 at Harvard <a href="http://www.eecs.harvard.edu/~greg/cs250fall2014/">(Fall 2014)</a></li>
@@ -82,7 +83,7 @@
 <h3>Reading groups</h3>
 <ul>
 <li>CS 7190 at Cornell <a href="http://www.cs.cornell.edu/projects/pldg/archives.php">(Summer 2013)</a></li>
-<li>At Radboud University Nijmegen <a href="http://www.cs.ru.nl/~spitters/cpdt.html">(2010)</a></li>
+<li>At Radboud University Nijmegen (<a href="http://www.cs.ru.nl/~spitters/cpdt.html">2010</a>, <a href="http://cs.ru.nl/~dfrumin/cpdt.html">2016/2017</a>)</li>
 <li>At U. Wisconsin <a href="http://pages.cs.wisc.edu/~mulhern/coqtalks/2008.09/">(2008-2009)</a></li>
 </ul>
 </div>