Columbia University - ICAP, U.S. Centers for Disease Control and Prevention, Kenya, HIV Center for Clinical and Behavioral Studies, Columbia University - ICAP, U.S.Centers for Disease Control and Prevention (CDC), Columbia University - Mailman School of Public Health, Columbia University - ICAP, Columbia University - ICAP, University of Cape Town - Division of Clinical Pharmacology, Columbia University - ICAP, U.S. Centers for Disease Control and Prevention (CDC), Columbia University - ICAP, Centers for Disease Control and Prevention, Zambia, UNAIDS, Columbia University - ICAP, Kingdom of Eswatini - Ministry of Health, U.S. Centers for Disease Control and Prevention, Namibia, U.S. Centers for Disease Control and Prevention, Malawi, Ministry of Health Zambia and Columbia University - ICAP

University of Washington - Department of Global Health, University of Washington - Department of Global Health, University of Washington - Department of Global Health, University of the Witwatersrand - Reproductive Health and HIV Research Unit (RHRU), University of Washington - Department of Global Health, FHI 360, Government of the United States of America - Division of HIV Prevention, Kenya Medical Research Institute (KEMRI) - Center for Clinical Research, University of the Witwatersrand - MatCH Research Unit (MRU), Columbia University - ICAP, University of the Witwatersrand - MatCH Research Unit (MRU), Kenya Medical Research Institute (KEMRI) - Center for Clinical Research, Aurum Institute, Fred Hutchinson Cancer Research Center and University of Washington - Department of Global Health