[1] Norwegian Knowledge Ctr Hlth Serv, N-0130 Oslo, Norway
[2] Med Res Council S Africa, Hlth Syst Res Unit, Cape Town, South Africa
[3] La Trobe Univ, Australian Inst Primary Care & Ageing, Ctr Hlth Commun & Participat, Bundoora, Vic 3086, Australia
[4] Univ Cape Town, Inst Infect Dis & Mol Med, Vaccines Africa Initiat, ZA-7925 Observatory, South Africa
[5] Univ Cape Town, Sch Child & Adolescent Hlth, ZA-7925 Observatory, South Africa
[6] Int Union Hlth Promot & Educ IUHPE UIPES, F-93203 St Denis, France
[7] Univ Basel, Swiss Trop & Publ Hlth Inst, CH-4051 Basel, Switzerland
[8] La Trobe Univ, Sch Publ Hlth, Melbourne, Vic 3000, Australia
[9] Univ Cape Town, Inst Infect Dis & Mol Med, S African TB Vaccine Initiat, ZA-7925 Observatory, South Africa