[1] Univ Nairobi, Sch Med, Dept Obstet & Gynaecol, Nairobi, Kenya
[2] WHO, Dept Sexual & Reprod Hlth & Res, UNDP UNFPA UNICEF WHO World Bank Special Programm, Geneva, Switzerland
[3] Inst Rech Sci Sante, Ouagadougou, Burkina Faso
[4] Inst Africain Sante Publ, Ouagadougou, Burkina Faso
[5] Ctr Int Saude Reprod ICRH M, Maputo, Mozambique
[6] London Sch Hyg & Trop Med, Dept Infect Dis Epidemiol, London, England
[7] Univ Ghana, Sch Publ Hlth, Dept Epidemiol & Dis Control, Accra, Ghana
[8] Univ Ibadan, Dept Obstet & Gynaecol, Ibadan, Nigeria
[9] Univ Malawi, Dept Obstet & Gynaecol, Coll Med, Zomba, Malawi
[10] Univ Malawi, Coll Med, Ctr Reprod Hlth, Blantyre, Malawi
[11] Univ Abdou Moumouni Niamey, Niamey, Niger
[12] Ctr Rech Reprod Humaine & Demog CERRHUD, Cotonou, Benin
[13] Clin Univ Kinshasa, Kinshasa, DEM REP CONGO
[14] Makerere Univ, Dept Obstet & Gynaecol, Kampala, Uganda
[15] Mozambican Soc Obstetrician & Gynaecologists AMOG, Maputo, Mozambique
[16] Univ Ghana, Sch Publ Hlth, Dept Populat Family & Reprod Hlth, Accra, Ghana
[17] Hop Reg Koumra, Ndjamena, Chad