at Vrije Universiteit Brussel on 4 Feb 2011 – 6 Feb 2011

at Best Western Hotel Ter Elst, Antwerp, Belgium on 29 Jan 2010 – 30 Jan 2010

at Amsterdam, The Netherlands on 11 Jun 2009 – 13 Jun 2009

at Ibuildings office, Utrecht on 16 Apr 2009

at Den Haag, the Netherlands on 24 Jan 2009 – 25 Jan 2009