1. School of Public Health, San Diego State University
2. RAND Corporation
3. Center for HIV Identification, Prevention and Treatment Services, Department of Family Medicine, University of California Los Angeles
4. Department of Behavioral and Social Sciences, Brown University School of Public Health
5. Friends Research Institute
6. Los Angeles LGBT Center
7. Department of Psychology, San Diego State University
8. AntiViral Research Center, University of California, San Diego School of Medicine