[1] WHO, UNDP UNFPA UNICEF WHO World Bank Special Program, Dept Sexual & Reprod Hlth & Res, Geneva, Switzerland
[2] Univ Sao Paulo, Ribeirao Preto Med Sch, Dept Social Med, Ribeirao Preto, SP, Brazil
[3] Univ Estadual Campinas, Sch Med, Dept Obstet & Gynecol, UNICAMP, Campinas, SP, Brazil
[4] Univ Utrecht, Univ Med Ctr, Julius Ctr Hlth Sci & Primary Care, Julius Global Hlth, Utrecht, Netherlands
[5] Univ Cape Town, Fac Hlth Sci, Dept Obstet & Gynaecol, Cape Town, South Africa
[6] Walter Sisulu Univ, Effect Care Res Unit, East London, South Africa
[7] Univ Witwatersrand, Eastern Cape Dept Hlth, East London, South Africa
[8] Univ Botswana, Dept Obstet & Gynaecol, Gaborone, Botswana
[9] Prince Songkla Univ, Fac Med, Epidemiol Unit, Hat Yai, Songkhla, Thailand
[10] Univ Hlth Sci, Dept Obstet & Gynecol, Sch Med, Ankara, Turkey
[11] Univ Birmingham, Inst Metab & Syst Res, Birmingham, W Midlands, England
[12] WHO, Collaborating Ctr Global Womens Hlth Res, Birmingham, W Midlands, England
[13] Queen Elizabeth Cent Hosp, Coll Med, Malawi Liverpool Wellcome Trust Res Inst, Blantyre, Malawi
[14] Univ Liverpool, Inst Life Course & Med Sci, William Henry Duncan Bldg, Liverpool, Merseyside, England
[15] Birmingham Womens & Childrens NHS Fdn Trust, Birmingham, W Midlands, England