Affiliation: | (1) San Francisco General Hospital HIV/AIDS Division, University of California San Francisco, San Francisco, CA, USA;(2) Center for AIDS Prevention Studies, University of California San Francisco, San Francisco, CA, USA;(3) Department of Emergency Medicine, Alameda County Medical Center, Highland Hospital, Oakland, CA, USA;(4) Department of Emergency Medicine, San Francisco General Hospital, University of California San Francisco, San Francisco, CA, USA |