[1] Univ Amsterdam, Locat Vumc, Emma Childrens Hosp, Dept Child & Adolescent Psychiat,Med Ctr, Amsterdam, Netherlands
[2] Tavistock & Portman NHS Fdn Trust, London, England
[3] Regents Univ London, London, England
[4] Harvard Med Sch, Boston Childrens Hosp, Dept Psychiat, Boston, MA 02115 USA
[5] Harvard Med Sch, Boston Childrens Hosp, Div Endocrinol, Boston, MA 02115 USA
[6] Ghent Univ Hosp, Transgender Infopunt, Ghent, Belgium
[7] Univ Amsterdam, Med Ctr, Emma Childrens Hosp, Dept Pediat Endocrinol,Locat Vumc, Amsterdam, Netherlands
[8] World Profess Assoc Transgender Hlth WPATH, Transgender Hlth Policy & Eth, Minneapolis, MN USA
[9] Univ Calif San Francisco, Div Pediat Endocrinol, Dept Pediat, San Francisco, CA 94143 USA