aDivision of Gender, Sexuality, and Health New York State Psychiatric Institute/Columbia Psychiatry and the School of Nursing, Columbia University Medical Center, New York
bProgram in Human Sexuality, Department of Family Medicine and Community Health, University of Minnesota Medical School, Minneapolis, Minnesota
cSchool of Medicine, University of California, San Francisco, California
dDepartment of Psychobiology, National Distance Education University, Madrid, Spain
eThe Williams Institute, University of California, Los Angeles School of Law, Los Angeles, California
fDivision of Psychiatry, University of Texas Medical Branch, Galveston, Texas
gFenway Institute, Fenway Health
hDepartment of Epidemiology, Harvard T.H. Chan School of Public Health
iDivision of General Pediatrics, Boston Children's Hospital/Harvard Medical School, Boston, Massachusetts
jSchool of Medicine, University of California, San Fransisco, California
kPrivate Practice, Evanston, Illinois
Correspondence to Walter Bockting, Program for the Study of LGBT Health, Division of Gender, Sexuality and Health, New York State Psychiatric Institute/Columbia Psychiatry, 1051 Riverside Drive, Unit 15, New York, NY 10032, USA. Tel: +1 646 774 6953; e-mail: [email protected]