1. Department of Infectious Disease, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
2. Division of Epidemiology and Biostatistics, School of Public Health and Family Medicine, University of Cape Town, Cape Town, Western Cape, South Africa
3. Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, CA, USA
4. Columbia University Mailman School of Public Health, New York, NY, USA
5. Cornell University, Ithaca, NY, USA
6. University of California Global Health Institute (GloCal), San Francisco, CA, USA
7. Department of Medicine, University of California, San Diego, CA, USA