1. Department of Medicine, University of California San Francisco, San Francisco, California, USA
2. Division of General Internal Medicine, University of California San Francisco/Zuckerberg San Francisco General Hospital, San Francisco, California, USA
3. Department of Psychiatry, University of California San Francisco, San Francisco, California, USA
4. School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
5. United States Department of Veterans Affairs, San Francisco, California, USA
6. School of Nursing, University of California San Francisco, San Francisco, California, USA
7. Department of Anthropology, History, and Social Medicine, and Global Health Sciences, University of California San Francisco, San Francisco, California, USA