[1] UC Berkeley SPH, RTI Int, Womens Global Hlth Imperat, 628 Beacon St, Oakland, CA 94610 USA
[2] Univ Zimbabwe Univ Calif San Francisco Collaborat, San Francisco, CA USA
[3] Univ Witwatersrand, Wits Reprod Hlth & HIV Inst Wits RHI, Johannesburg, South Africa
[4] Makerere Univ Johns Hopkins Univ Res Collaborat M, Kampala, Uganda
[5] SAMRC, HIV Prevent Res Unit, Cape Town, South Africa
[6] Tidziwe Ctr, UNC Project, Lilongwe, Malawi
[7] Kamuzu Cent Hosp, Lilongwe, Malawi
[8] Univ Cape Town, Desmond Tutu HIV Fdn, DTHC, Cape Town, South Africa
[9] Univ Washington, Seattle, WA 98195 USA
[10] Wits Reprod Hlth & HIV Inst, Johannesburg, South Africa
[11] Fred Hutchinson Canc Res Ctr, 1124 Columbia St, Seattle, WA 98104 USA
[12] US NIAID, Bethesda, MD USA
[13] FHI 360, Durham, NC USA
[14] Johns Hopkins Univ, Queen Elizabeth Hosp, Baltimore, MD 21218 USA
[15] Queen Elizabeth Hosp, London, England
[16] Univ N Carolina, Chapel Hill, NC 27515 USA
[17] Univ Cape Town, Cape Town, South Africa
[18] South African Med Res Council, Durban, South Africa
[19] Ctr AIDS Programme Res South Africa, Durban, South Africa
[20] Wits RHI, Johannesburg, South Africa
[21] Johns Hopkins Univ, Baltimore, MD 21218 USA
[22] Makerere Univ, Kampala, Uganda
[23] Univ Zimbabwe, Coll Hlth Sci, Clin Trials Unit, Chitungwiza, Zimbabwe
[24] Univ Zimbabwe, Coll Hlth Sci, Clin Trials Unit, Harare, Zimbabwe