1. Department of Medicine, Internal Medicine Residency Program, University of California San Francisco, San Francisco, CA, USA
2. Department of Medicine, Center for AIDS Prevention Studies, University of California San Francisco, San Francisco, CA, USA
3. Jail Health Services, San Francisco Department of Public Health, San Francisco, CA, USA
4. Department of Medicine, Division of HIV/AIDS (Positive Health Program), University of California San Francisco, San Francisco, CA, USA