Tolong jelaskan mengenai Presiden dari World Professional Association for Transgender Health

Paul A. Walker, Ph.D., 1979–1981

Donald R. Laub, M.D., 1981–1983

Milton T. Edgerton, M.D., 1983–1985

Ira B. Pauly, M.D., 1985–1987

Aaron T. Bilowitz, M.D., 1987–1989

Walter Meyer III, M.D., 2003–2005

Walter O.Bockting, Ph.D., L.P., 2009–2011

Gail Knudson, M.D., FRCPC, 2016–2018

Vin Tangpricha, M.D., Ph.D., 2018-2020