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

University of Washington, Fred Hutchinson Cancer Research Center, University of Cape Town (UCT), Fred Hutchinson Cancer Research Center, National Institutes of Health, Fred Hutchinson Cancer Research Center - Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Fred Hutchinson Cancer Research Center, Fred Hutchinson Cancer Research Center, Fred Hutchinson Cancer Research Center - Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, University of Washington - Department of Laboratory Medicine and Microbiology, Emory University - Division of Infectious Diseases, Emory University, Emory University, Federal University of Minas Gerais (UFMG), Fundación Huésped, Aurum Institute, Botswana Harvard AIDS Institute Partnership (BHP), University of Zimbabwe, University of Zimbabwe, Parirenyatwa Group of Hospitals, Hospital JM Ramos, Universidad Nacional de la Amazonía Peruana, The Aurum Institute, University of North Carolina (UNC) at Chapel Hill, Asociacion Civil Impacta Salud y Educacion, Universidad Nacional Mayor de San Marcos, Center for Family Health Research Zambia (CFHRZ), Ministry of Health Zambia - Zambia National Public Health Institute, MeCRU Clinical Research Site, Columbia University, Oswaldo Cruz Foundation (FIOCRUZ) - Instituto Nacional de Infectologia Evandro Chagas (INIEC), Oswaldo Cruz Foundation (FIOCRUZ) - Evandro Chagas National Institute of Infectious Diseases (INI), Aurum Institute, Setshaba Research Centre, Bio Analytical Research Corporation South Africa (BARC SA), University of Washington, Fred Hutchinson Cancer Research Center - Vaccine and Infectious Disease Division and Fred Hutchinson Cancer Research Center