1. Department of Family and Community Medicine, University of California, San Francisco
2. CA Bridge Program, Public Health Institute, Oakland, California
3. Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles
4. Department of Family Medicine, David Geffen School of Medicine, University of California, Los Angeles
5. Department of Emergency Medicine, US Acute Care Solutions at Marshall Medical Center, Placerville, California
6. Department of Emergency Medicine and Psychiatry, UC Davis Medical Center, Sacramento, California
7. Department of Emergency Medicine and Internal Medicine, Highland Hospital–Alameda Health System, Oakland, California
8. Department of Emergency Medicine, University of California, San Francisco