SYMPOSIA

1st International Symposium - Baltimore, Maryland, USA, 1988

2nd International Symposium - San Francisco, California, USA, 1992

3rd International Symposium - Berlin, Germany, 1994

4th International Symposium- Davos, Switzerland, 1996

5th International Symposium - Helsinki, Finland, 1998

6th International Symposium - Seattle Washington, USA, 2001

7th International Symposium - Ghent, Belgium, 2005

8th International Symposium - Warrenton, VA, 2010

9th International Symposium - Paris, France, 2014

10th International Symposium - Amsterdam, The Netherlands, 2018