Petra Betsch she will let you know how to proceed for here and meet you in order to give you the keys. She can be reached by email at pmbetsch@googlemail.com or by phone at +49 (0)30 64826119 or +49 (0)175-1674323
In Emergencies you can also contact Rene at rnetter [@] gmx.net or via skype. My id is rnetter or via phone 001-347-422-7440