at QE II on 16 Sep 2015 – 18 Sep 2015

at The Brewery on 12 Sep 2012 – 14 Sep 2012

at Amsterdam RAI on 18 May 2011 – 21 May 2011

at Business Design Centre, 52 Upper Street, Islington, London, United Kingdom on 26 Feb 2010 – 27 Feb 2010

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