[1] Kamuzu Univ Hlth Sci, Sch Global & Publ Hlth, Dept Hlth Syst & Policy, Blantyre, Malawi
[2] Malawi Liverpool Wellcome Programme, Maternal & Fetal Hlth Grp, Blantyre, Malawi
[3] Kamuzu Univ Hlth Sci, Sch Global & Publ Hlth, Dept Epidemiol & Stat, Blantyre, Malawi
[4] UNICEF Malawi Country Off, Lilongwe, Malawi
[5] WHO, Dept Maternal Newborn Child & Adolescent Hlth & Ag, Geneva, Switzerland
[6] Minist Hlth, Qual Management Directorate, Lilongwe, Malawi
[7] Programme Div, Hlth Sect, New York, NY USA
[8] London Sch Hyg & Trop Med, London, England
[9] Univ Western Cape, Cape Town, South Africa