[1] McGill Univ, Dept Epidemiol & Biostat, Montreal, PQ, Canada
[2] Imperial Coll London, Sch Publ Hlth, MRC Ctr Global Infect Dis Anal, London, England
[3] Univ Laval, Dept Med Sociale & Prevent, Quebec City, PQ, Canada
[4] Univ Laval, Ctr Rech, CHU Quebec, Quebec City, PQ, Canada
[5] Ludwig Maximilian Univ Munich, Inst Med Informat Proc Biometry & Epidemiol, Med Fac, Munich, Germany
[6] WHO, UNDP UNFPA UNICEF WHO World Bank Special Programm, Dev & Res Training Human Reprod HRP, Dept Sexual & Reprod Hlth & Res, Geneva, Switzerland
[7] Conselho Nacl Combate HIV Sida, Maputo, Mozambique
[8] Makerere Univ, Sch Publ Hlth, Dept Dis Control & Environm Hlth, Coll Hlth Sci, Kampala, Uganda
[9] Harvard TH Chan Sch Publ Hlth, Dept Epidemiol, Ctr Infect Dis Dynam, Boston, MA USA