January 1, 2011Marcus Jahnel, Martin Behrndt, Anita Jannasch, Erik Schäffer, Stephan W Grill
January 1, 2004Julien Colombelli, Stephan W Grill, Ernst HK Stelzer- January 1, 2000Ernst HK Stelzer, Stephan W Grill
January 1, 1999Stephan W Grill, Ernst HK Stelzer
