1. Center for AIDS Prevention Studies, Department of Medicine, University of California, San Francisco, CA, USA
2. Department of Emergency Medicine, University of Colorado, Aurora, CO, USA
3. Department of Social Psychology, University of Georgia, Athens, Georgia
4. Department of Health Promotion & Behavior, College of Public Health, University of Georgia, Athens, Georgia
5. Department of Sociomedical Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
6. Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
7. Callen-Lorde Community Health Center, New York, NY, USA
8. Department of Social and Behavioral Sciences, Yale School of Public Health, Yale University, New Haven, CT, USA
9. Department of Health Policy and Management, College of Public Health, University of Georgia, Athens, Georgia
10. Department of Psychology, University of California, Los Angeles, CA, USA