October 11-14, 2017
Raleigh, North Carolina, USA
September 4-7, 2016
Cambridge, UK
October 18-22, 2015
Atlanta, Georgia, USA
July 28 - August 1, 2014
Melbourne, Australia
September 15-19, 2013
San Jose, California, USA
September 30 - October 4, 2012
Innsbruck, Austria
September 18-22, 2011
Pittsburgh, Pennsylvania, USA
September 21-25, 2010
Leganés, Comunidad de Madrid, Spain
September 20-24, 2009
Corvallis, Oregon, USA
September 20-24, 2008
Herrsching am Ammersee, Germany
September 4-8, 2007
Coeur d’Alène, Idaho, USA
September 4-8, 2006
Brighton, United Kingdom
September 20-24, 2005
* Dallas, Texas, USA
September 26-29, 2004
Rome, Italy
October 28-31, 2003
* Auckland, New Zealand
September 2-6, 2001
Arlington, Virginia, USA
September 5-8, 2001
Stresa, Italy
September 10-14, 2000
Seattle, Washington, USA