1 Department of Obstetrics and Gynaecology, University of Botswana, Gaborone, Botswana.
2 Effective Care Research Unit, University of the Witwatersrand and Walter Sisulu University, East London, South Africa.
3 Department of Obstetrics and Gynecology, Østfold Hospital Trust, Grålum, Norway.
4 Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway.
5 UNDP/UNFPA/UNICEF/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction (HRP), Department of Sexual and Reproductive Health and Research, World Health Organization, Geneva, Switzerland.
6 Department of Maternal, Newborn, Child, Adolescent Health and Ageing, World Health Organization, Geneva, Switzerland.
7 Jhpiego, Baltimore, MD, USA.
8 Research in Childbirth and Health (ReaCH) Group, University of Central Lancashire, Preston, UK.
9 Africa Centre of Excellence for Population Health and Policy, Bayero University, Bayero, Nigeria.
10 Maternal, Child and Adolescent Health Programme, Burnet Institute, Melbourne, Vic., Australia.
11 Centre for Midwifery, Maternal and Perinatal Health, Bournemouth University, Bournemouth, UK.
12 Department of International Global Health, Liverpool School of Tropical Medicine, Liverpool, UK.
13 Department of Obstetrics and Gynecology, George Washington University School of Medicine and Health Sciences, Washington, DC, USA.
14 Malawi-Liverpool-Wellcome Trust Research Institute, Queen Elizabeth Central Hospital, College of Medicine, Chichiri, Blantyre, Malawi.
15 Department of Obstetrics and Gynaecology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.
16 South African Medical Research Council/University of Pretoria Maternal and Infant Health Care Strategies Unit, Pretoria, South Africa.
17 Department of Obstetrics and Gynaecology, University of Nairobi, Nairobi, Kenya.
18 Department of Social Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.
19 Bureau for Global Health, United States Agency for International Development, Washington, DC, USA.
20 United Nations Population Fund, Geneva, Switzerland.