1. Program for the Study of LGBT Health, Division of Gender, Sexuality, and Health, New York State Psychiatric Institute/Columbia Psychiatry and the Columbia University School of Nursing, New York, New York.
2. Program in Human Sexuality, Department of Family Medicine and Community Health, University of Minnesota Medical School, Minneapolis, Minnesota.
3. Lifespan Institute, University of Kansas, Laurence, Kansas.
4. HIV/STI Intervention and Prevention Studies Program, Division of Epidemiology and Community Health, University of Minnesota School of Public Health, Minneapolis, Minnesota.