University of Washington, University of Washington, University of Alabama at Birmingham, University of Washington, Johns Hopkins University, University of the Witwatersrand - Reproductive Health and HIV Research Unit (RHRU), University of Cape Town (UCT), University of Cape Town (UCT), University of Cape Town (UCT), University of Cape Town (UCT), Qhakaza Mbokodo Research Clinic, Human Sciences Research Council (HSRC) - Centre for Community Based Research, Human Sciences Research Council (HSRC), Foundation for Professional Development, Wits Maternal Adolescent and Child Health Research, Setshaba Research Centre, Chris Hani Baragwanath Academic Hospital - Perinatal HIV Research Unit, University of the Witwatersrand, Klerksdorp-Tshepong Hospital Complex, Aurum Rustenburg Clinical Research Centre, Madibeng Centre for Research, South African Medical Research Council, Columbia University - ICAP, Kenya Medical Research Institute (KEMRI), Johns Hopkins Bloomberg School of Public Health, Malawi, UNC Global Projects, Bio Analytical Research Corporation South Africa (BARC SA), University of Washington, University of Washington, Fred Hutchinson Cancer Research Center and Independent

Fred Hutchinson Cancer Research Center, Fred Hutchinson Cancer Research Center - Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center - Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Emory University - School of Medicine, Fred Hutchinson Cancer Research Center, Fred Hutchinson Cancer Research Center, National Institutes of Health - Vaccine Research Center, Botswana Harvard AIDS Institute Partnership (BHP), University of Cape Town (UCT) - Institute of Infectious Disease and Molecular Medicine, South African Medical Research Council, Asociacion Civil Impacta Salud y Educacion, - Instituto Nacional de Infectologia Evandro Chagas (INIEC), Harvard University - Brigham and Women’s Hospital, FHI 360 (Family Health International), Fred Hutchinson Cancer Research Center, Fred Hutchinson Cancer Research Center - Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center - Vaccine and Infectious Disease Division, Government of the United States of America - National Institutes of Health (NIH), Government of the United States of America - National Institutes of Health (NIH), Government of the United States of America - National Institutes of Health (NIH), Government of the United States of America - National Institutes of Health (NIH), University of North Carolina (UNC) at Chapel Hill - Department of Medicine, Fred Hutchinson Cancer Research Center, Aurum Institute and University of Zimbabwe - Clinical Trials Research Centre