1. Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
2. Department of Population Health, NYU School of Medicine, Baltimore, MD, USA
3. HIV Center for Clinical and Behavioral Studies, New York State Psychiatric Institute and Columbia University, New York, NY, USA
4. Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
5. Program for the Study of LGBT Health, New York State Psychiatric Institute / Columbia Psychiatry with the Columbia University School of Nursing, New York, NY, USA
6. Mailman School of Public Health, Columbia University, New York, NY, USA