[1] Univ KwaZulu Natal, KwaZulu Natal Res Inst TB & HIV, Durban, South Africa
[2] WHO, CH-1211 Geneva, Switzerland
[3] Dept Hlth, Pietermaritzburg, South Africa
[4] S African Ctr Epidemiol Modelling & Anal, Stellenbosch, South Africa
[5] MRC, Durban, South Africa
[6] Inkosi Albert Luthuli Cent Hosp, Durban, South Africa
[7] WHO, Harare, Zimbabwe
[8] Dept Hlth, Pretoria, South Africa