[1] Univ Maryland, Sch Med, Dept Epidemiol & Publ Hlth, Baltimore, MD 21201 USA
[2] Ctr Bioeth & Res, Ibadan, Nigeria
[3] Univ Cape Town, Dept Med, Cape Town, South Africa
[4] Univ Witwatersrand, Sydney Brenner Inst Mol Biosci, Johannesburg, South Africa
[5] Univ Sci Tech & Technol Bamako, Fac Med & Odonstomatol, Bamako, Mali
[6] Univ Cape Town, Inst Infect Dis & Mol Med, Dept Integrat Biomed Sci, Cape Town, South Africa
[7] Inst Human Virol Nigeria, Off Strateg Informat & Res, Abuja, Nigeria
[8] Univ Cambridge, Dept Primary Care & Publ Hlth, Cambridge, England
[9] Univ Cape Town, Hatter Inst Cardiovasc Dis Res Africa, Dept Med, Cardiovasc Genet, Cape Town, South Africa
[10] Natl Livestock Resources Res Inst, Tororo, Uganda
[11] Inst Human Virol Nigeria, Clin Lab Mol Virol Unit, Abuja, Nigeria
[12] Univ Cape Town, Div Med Microbiol, Cape Town, South Africa
[13] Univ Ghana, Noguchi Mem Inst Med Res, Dept Parasitol, Accra, Ghana
[14] Natl Hosp TB & Pulm Dis, Cotonou, Benin
[15] African Populat & Hlth Res Ctr, Hlth Challenges & Syst Program, Nairobi, Kenya