1999 - Lyon, France
2000 - Monterey, California, USA
2001 - Tsukuba, Japan
2002 - London, UK
2003 - New York, New York, USA
2004 - Osaka, Japan
2005 - Frascati, Italy
2006 - Irvine, California, USA
2007 - 2007 - Okayama, Japan
2008 - Valencia, Spain
2009 - Chicago, Illinois, USA
2010 - Mumbai, India
2011 - Geneve, Switzerland
2012 - Williamsburg, Virginia, USA
2013 - Beijing, China
2014 - Glasgow, UK
2015 - Rio de Janeiro, Brazil
2016 - Quy Nhon, Vietnam
2017 - Uppsala, Sweden