at Manchester Conference Centre on 28 Sep 2017 – 1 Oct 2017

at Physics Exhibition Centre, The University of York on 7 Apr 2017

at Manchester Conference Centre on 1 Oct 2015 – 4 Oct 2015

at Amsterdam RAI on 28 Sep 2014 – 3 Oct 2014

at The Brewery on 21 Feb 2013 – 23 Feb 2013

at Amsterdam on 9 Jun 2010 – 12 Jun 2010