29-31 May 2009, Sofia (Bulgaria) 22-24 May 2009, St. Petersburg (Russia) 08-10 May 2009, Thessaloniki (Greece) 06-07 September 2008, New York City (USA) 08-10 August 2008, Venice (Italy) 01-03 August 2008, Belfast (Ireland) 18-20 July 2008, Lleida (Spain) 05-06 July 2008, Wroclaw (Poland) 06-08 June 2008, London (England) 09-11 May 2008, Thessaloniki (Greece) 20-22 July 2007, Padova (Italy) 10-12 November 2006, Rio De Janeiro (Brasil)