[1] London Sch Hyg & Trop Med, Dept Dis Control, London, England
[2] Ethiopian Publ Hlth Inst, Hlth Syst & Reprod Hlth Res Directorate, Addis Ababa, Ethiopia
[3] London Sch Hyg & Trop Med, Fac Epidemiol & Populat Hlth, Dept Med Stat, London, England
[4] London Sch Hyg & Trop Med, Fac Epidemiol & Populat Hlth, Dept Populat Hlth, London, England
[5] JaRco Consulting, Addis Ababa, Ethiopia
[6] Harvard Univ, Harvard TH Chan Sch Publ Hlth, Boston, MA 02115 USA
[7] Haramaya Univ, Dept Publ Hlth & Hlth Policy, Coll Hlth & Med Sci, Dire Dawa, Ethiopia
[8] London Sch Hyg & Trop Med, Dept Global Hlth & Dev, London, England
[9] Global Affairs Canada, Ottawa, ON, Canada
[10] London Sch Hyg & Trop Med, Fac Infect & Trop Dis, Dept Clin Res, London, England