[1] Drexel Univ, Dept Epidemiol & Biostat, Philadelphia, PA 19104 USA
[2] Whitman Walker Inst, Washington, DC USA
[3] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Hlth Policy & Management, Baltimore, MD USA
[4] Ctr Appl Transgender Studies, Chicago, IL USA
[5] Boston Childrens Hosp, Computat Hlth Informat Program, Boston, MA USA
[6] Univ Penn, Perelman Sch Med, Philadelphia, PA 19104 USA
[7] Western Univ, Schulich Sch Med & Dent, Dept Epidemiol & Biostat, London, ON, Canada