The unit I'm affiliated with was tasked by the university to run replications and ultimately assist with the retractions. This was all done by my colleagues but I heard about it quite often. Past that I am going to refrain on commenting more as I'm unqualified to do so.

Two published replication studies (used for retractions) can be found here:

https://cisermgmt.cornell.edu/go/PHPs/catalogSingleStudy.php...

https://cisermgmt.cornell.edu/go/PHPs/catalogSingleStudy.php...