June 21, 2005
Toronto, Canada
Participants: Brazil, Canada, Denmark, Japan, Thailand, Sweden, USA.

November 6, 2004
Phoenix, Arizona, USA
Participants: Austria, Belgium, Denmark, Germany, Japan, Sweden, USA.

June 6, 2003
Copenhagen, Denmark
Participants: Belgium, Denmark, France, Germany, Japan, the Netherlands, Sweden, USA .

June 5, 2002
Stockholm, Sweden
Participants: Australia, Austria, Belgium, Canada, Denmark, France, Hong Kong, Japan, Sweden, the Netherlands, USA.