Past Congresses Please click on the congress city below to retrieve an overview of the congress program. 2021 – Online Event 2018 – Vancouver, Canada 2016 – Chennai, India 2014 – Istanbul, Turkey 2012 – Sao Pedro, Brazil 2010 – Seoul, Korea 2008 – San Francisco, USA 2006 – Brisbane, Australia 2004 – Madrid, Spain 2002 – Singapore 2000 – La Antigua, Guatemala 1998 – Cape Town, South Africa 1996 – Toronto, Canada 1994 – York, England 1992 – Hamburg, Germany 1990 – Tokyo, Japan 1988 – Philadelphia, USA 1986 – Edinburgh, Scotland 1984 – Amsterdam, Netherlands 1981 – Gothenburg, Sweden