[1] Wits Reprod Hlth & HIV Inst, HIV Management Cluster, Johannesburg, South Africa
[2] Southern African HIV Clinicians Soc, Johannesburg, South Africa
[3] Univ Witwatersrand, Wits Reprod Hlth & HIV Inst, Johannesburg, South Africa
[4] Natl Hlth Lab Serv, Johannesburg, South Africa
[5] Univ Witwatersrand, Dept Haematol, Johannesburg, South Africa
[6] WHO, Geneva, Switzerland
[7] Bill & Melinda Gates Fdn, Johannesburg, South Africa
[8] South African Natl AIDS Council, Pretoria, South Africa
[9] Med Sans Frontieres, Johannesburg, South Africa
[10] Ndlovu Care Grp, Groblersdal, South Africa
[11] Univ Utrecht, Med Ctr, Utrecht, Netherlands
[12] PSI, Johannesburg, South Africa
[13] Soc Family Hlth, Johannesburg, South Africa
[14] Univ Witwatersrand, Wits Inst Social & Econ Res, Johannesburg, South Africa
[15] Natl Inst Communicable Dis, Johannesburg, South Africa
[16] Strateg Evaluat Advisory & Dev Consulting SEAD, Johannesburg, South Africa
[17] Univ Cape Town, Dept Med, Rondebosch, South Africa
[18] iTEACH, Denton, TX USA
[19] Massachusetts Gen Hosp, Boston, MA 02114 USA
[20] Natl Dept Hlth, Pretoria, South Africa
[21] Univ KwaZulu Natal, Discipline Pharmaceut Sci, Durban, South Africa