University of Colorado Denver, University of California, San Francisco (UCSF) - Department of Obstetrics, Gynecology & Reproductive Sciences, University of Washington - School of Medicine, affiliation not provided to SSRN, University of Washington - School of Medicine, University of California, Berkeley, University of California, San Francisco (UCSF) - Department of Epidemiology and Biostatistics, University of North Carolina (UNC) at Chapel Hill, Johns Hopkins University, University of Washington - School of Medicine, University of Washington - School of Medicine, University of Washington - School of Medicine, University of Washington - School of Medicine, University of Washington - School of Medicine, Kenya Medical Research Institute (KEMRI), Kenya Medical Research Institute (KEMRI) and Washington University in St. Louis

Mwanza Intervention Trials Unit, Mwanza Intervention Trials Unit, Kenya Medical Research Institute (KEMRI), UVRI-IAVI HIV Vaccine Program, London School of Hygiene & Tropical Medicine - Uganda Research Unit, International AIDS Vaccine Initiative, New York, Kenya Medical Research Institute (KEMRI), National Institute for Medical Research (NIMR) - Mwanza Medical Research Centre, Government of Uganda - Uganda Virus Research Institute (UVRI), UVRI-IAVI HIV Vaccine Program, International AIDS Vaccine Initiative, Kenya Medical Research Institute (KEMRI), UVRI-IAVI HIV Vaccine Program, Government of Uganda - Uganda Virus Research Institute (UVRI), International AIDS Vaccine Initiative, International AIDS Vaccine Initiative, Government of Uganda - Uganda Virus Research Institute (UVRI), Mwanza Intervention Trials Unit, London School of Hygiene & Tropical Medicine - Department of Global Health and Development and Mwanza Intervention Trials Unit