Government of the United States of America - Food and Drug Administration (FDA), Independent, University of Oxford - Nuffield Department of Population Health, University of Florida - Department of Biostatistics, University of the West Indies (Mona), University of Bristol, Facultad de Medicina, Universidad Nacional Autónoma de México, University of the Witwatersrand - Reproductive Health and HIV Research Unit (RHRU), University of Bristol - Department of Population Health Sciences, Universite Paris Descartes, Independent, World Health Organization (WHO), World Health Organization (WHO), World Health Organization (WHO), Independent and Independent

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

London School of Hygiene & Tropical Medicine, London School of Hygiene & Tropical Medicine, University of the Witwatersrand - Reproductive Health and HIV Research Unit (RHRU), University of the Witwatersrand - Reproductive Health and HIV Research Unit (RHRU) and London School of Hygiene & Tropical Medicine