1. San Francisco Department of Public Health, Center for Public Health Research, San Francisco, California, USA.
2. Department of Pediatrics and Psychiatry, University of California San Francisco, San Francisco, California, USA.
3. Department of Biostatistics and Epidemiology, University of California San Francisco, San Francisco, California, USA.
4. PRIME Center for Health Equity, Department of Psychiatry and Behavioral Sciences & The Einstein-Rockefeller-City University of New York Center for AIDS Research, Albert Einstein College of Medicine, Bronx, NY, USA.