[1] Kenya Govt Med Res Ctr, Ctr Global Hlth, Kisumu, Kenya
[2] Fred Hutchinson Canc Res Ctr, Vaccine & Infect Dis Div, Seattle, WA USA
[3] Ctr Dis Control & Prevent, Div HIV AIDS Prevent, Kisumu, Kenya
[4] Univ Witwatersrand, Perinatal HIV Res Unit, Johannesburg, South Africa
[5] Desmond Tutu HIV Ctr, Cape Town, South Africa
[6] Malawi Coll Med Johns Hopkins Univ Res Project, Blantyre, Malawi
[7] FHI 360, Network & Collaborat Res Div, Durham, NC USA
[8] Columbia Univ, New York, NY USA
[9] New York State Psychiat Inst & Hosp, New York, NY USA