1. Department of Epidemiology and Biostatistics, University of California, San Francisco, California, USA
2. Institute for Global Health Sciences, University of California, San Francisco, California, USA
3. F. I. Proctor Foundation, University of California, San Francisco, California, USA
4. Partners In Health, Freetown, Sierra Leone
5. School of Medicine, University of California, San Francisco, California, USA
6. Department of Global Health and Social Medicine, Harvard Medical School, Boston, Massachusetts, USA
7. Integrated Research Facility, National Institute of Allergy and Infectious Diseases, Fort Detrick, Maryland, USA
8. Division of Biostatistics, University of Minnesota, Minneapolis, Minnesota, USA
9. Division of HIV, Infectious Disease, and Global Medicine, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
10. Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts, USA