13th World Congress COGI
Berlin, Germany
November 4-7
2010
3rd Asia Pacific Congress COGI
Beijing, China
November 12-15
2009
11th World Congress COGI
Paris, France
November 27-30
2008
2nd Asia Pacific Congress COGI
Shanghai, China
November 8-11
2007
9th World Congress COGI
Barcelona, Spain
March 22-25
2007
7th World Congress COGI
Athens, Greece
April 14-17
2005
1st Asia Pacific Congress COGI
Bangkok, Thailand
November 25-28
2004
5th World Congress COGI
Las Vegas, USA
June 3-6
2004
4th World Congress COGI
Berlin, Germany
April 24-27
2003
3rd World Congress COGI
Washington D.C. USA
June 20-23
2002
2nd World Congress COGI
Paris, France
September 6-9
2001
1st World Congress COGI
Czech Republic
October 28-31
1999