1. Department of Population and Family Health, Mailman School of Public Health, Columbia University, New York, NY, USA
2. HIV Center for Clinical and Behavioral Studies, New York State Psychiatric Institute and Columbia University, New York, NY, USA
3. Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
4. Rakai Health Sciences Program (RHSP), Kalisizo, Uganda
5. Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY, USA
6. Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California (USC), Los Angeles, CA, USA
7. Division of Biostatistics and Bioinformatics, Department of Family Medicine and Public Health, University of California San Diego, La Jolla, CA, USA
8. Center on Gender Equity and Health (GEH), UCSD, La Jolla, CA, USA
9. Department of Pediatrics, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA