6 sessions at 21 conferences
4th–8th July 2016
11th–13th March 2015
England England, Nottingham City
17th–21st September 2013
3rd–5th July 2013
Switzerland Switzerland, Rapperswil
12th–14th June 2013
9th–11th October 2012
4th–6th July 2012
Czech Republic Czech Republic, Prague
21st–23rd May 2012
Netherlands Netherlands, Amsterdam
23rd–27th April 2012
20th–22nd March 2012
27th–29th September 2011
United States United States, Denver
12th–16th September 2011
United States United States, Denver
9th–11th September 2011
6th–8th July 2011
27th June to 1st July 2011
27th June to 1st July 2011
5th–7th April 2011
6th–9th September 2010
2nd–5th March 2010
17th–19th March 2009
8th–9th September 2005