1. Department of Community Health Systems (Santos, Jain), Division of HIV, Infectious Disease, and Global Medicine (Coffin), Department of Psychiatry and Behavioral Sciences (Jain, Batki), and Department of Epidemiology and Biostatistics (Vittinghoff), University of California, San Francisco; Center on Substance Use and Health, San Francisco Department of Public Health, San Francisco (Santos, Ikeda, Coffin, Walker, Matheson, Ali, McLaughlin); Human Services Department, County of Sonoma, Sonoma, California ...