at Maritim proArte Hotel on 28 May 2011 – 1 Jun 2011

at Rheingoldhalle on 10 Oct 2010 – 14 Oct 2010

at Hotel Europa Salzburg on 30 Apr 2010 – 2 May 2010

at Congress Center, Karlsruhe on 15 Nov 2009 – 18 Nov 2009