[1] Univ Oxford, Dept Social Policy & Intervent, Oxford, England
[2] AfriChild Ctr, Kampala, Uganda
[3] Raising Voices, Kampala, Uganda
[4] London Sch Hyg & Trop Med, Fac Epidemiol & Populat Hlth, London, England
[5] Childline Zimbabwe, Harare, Zimbabwe
[6] UNICEF Innocenti Global Off Res & Foresight, Florence, Italy
[7] Univ N Carolina, Dept Publ Policy, Chapel Hill, NC USA
[8] UNICEF Evaluat Off, New York, NY USA