[1] Ctr Appl Transgender Studies, Chicago, IL 60657 USA
[2] Boston Childrens Hosp, Computat Hlth Informat Program, Boston, MA 02115 USA
[3] Univ Michigan, Sch Informat, Ann Arbor, MI 48109 USA
[4] Univ Michigan, Sch Publ Hlth, Dept Hlth Behav & Hlth Educ, Ann Arbor, MI 48109 USA
[5] Boston Univ, Sch Med, Dept Med, Sect Gen Internal Med, Boston, MA 02118 USA
[6] Boston Med Ctr, Ctr Transgender Med & Surg, Boston, MA USA
[7] Univ Washington, Sch Publ Hlth, Dept Epidemiol, Seattle, WA 98195 USA
[8] Yale Univ, Sch Publ Hlth, Dept Social & Behav Sci, New Haven, CT USA