Hong Kong Anti-Doping Committee
http://www.antidoping.hk/

Sports Federation & Olympic Committee of Hong Kong, China (SF&OC)
http://www.hkolympic.org/

Leisure and Cultural Services Department
http://www.lcsd.gov.hk/

China Karatedo Association (CKA)
http://www.chnka.org.cn/

World Karatedo Federation (WKF)
http://www.wkf.net/

Asian Karatedo Federation (AKF)
http://asiankaratefederation.net/

Japan Karatedo Federation (JKF)
http://www.jkf.ne.jp/

International Olympic Committe
http://www.olympic.org/