24th International Conference – June 21 - 24, 2011, Manchester, England 23rd International Conference – June 04-11, 2010, Maui, Hawaii 22nd International Conference – July 20-23, 2009, Montreal, Quebec, Canada 21st International Conference – June 23-26, 2008, Dublin, Ireland 20th International Conference – July 9-12, 2007, Hawaii’s Big Island, Hawaii 19th International Conference – July 24-27, 2006, Toronto, Ontario, Canada 18th International Conference – July 11-14, 2005, Southampton, England 17th International Conference – June 14-17, 2004, Maui, Hawaii 16th International Conference – July 7-10, 2003, Vancouver, B.C. Canada