[1] Swiss Trop & Publ Hlth Inst, Allschwil, Switzerland
[2] Univ Basel, Basel, Switzerland
[3] Makerere Univ, Sch Publ Hlth, Kampala, Uganda
[4] Univ Kinshasa, Sch Publ Hlth, Kinshasa, DEM REP CONGO
[5] Akena Associates, Abuja, Nigeria
[6] Clinton Hlth Access Initiat, Boston, MA USA
[7] UNICEF, New York, NY USA