[1] Makerere Univ, Sch Publ Hlth, Dept Hlth Policy Planning & Management, Kampala, Uganda
[2] Iganga Mayuge Hlth & Demog Surveillance Site HDSS, Iganga, Uganda
[3] Karolinska Inst, Div Int Hlth IHCAR, Dept Publ Hlth Sci, S-17176 Stockholm, Sweden
[4] Malaria Consortium Africa, Kampala, Uganda
[5] Epidemiol & Demog Surveillance Syst EPI DSS Grp, KEMRI Wellcome Trust Res Programme, Kilifi, Kenya
[6] Univ Oxford, Churchill Hosp, Ctr Trop Med, Nuffield Dept Clin Med, Oxford OX3 7LJ, England
[7] Bandim Hlth Project, Bissau 1004, Guinea Bissau
[8] Statens Serum Inst, DK-2300 Copenhagen, Denmark
[9] Ghana Hlth Serv, Dodowa Hlth Res Ctr, Dodowa, Ghana