Hyman M Scott1, Susan P Buchbinder2. 1. Bridge HIV, San Francisco Department of Public Health, San Francisco, CA 94102, USA; Department of Medicine, University of California, San Francisco, San Francisco, CA, USA. 2. Bridge HIV, San Francisco Department of Public Health, San Francisco, CA 94102, USA; Department of Medicine, University of California, San Francisco, San Francisco, CA, USA. Electronic address: susan.buchbinder@sfdph.org.