World Congress 1

Canterbury, UK, 1989

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World Congress 2

Adelaide, AU, 1994

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World Congress 3

Prague, CZ 1997

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World Congress 4

Bentota, SL 2001

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World Congress 5

Stellenbosch, SA 2005

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World Congress 6

Manaus, BR 2008

Archived Website

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World Congress 7

Vancouver, CA 2012

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World Congress 8

Hangzhou, CN 2016

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World Congress 9

Dunedin, NZ 2020