1 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 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.
2 Department of Obstetrics and Gynaecology University of Campinas Medical Faculty Campinas Brazil Department of Obstetrics and Gynaecology, University of Campinas Medical Faculty, Campinas, Brazil.
3 Center for Perinatology Women's, and Reproductive Health (CLAP-PAHO/WHO) Montevideo Uruguay Center for Perinatology, Women's, and Reproductive Health (CLAP-PAHO/WHO), Montevideo, Uruguay.
4 UNICEF/UNDP/World Bank/WHO Special Programme for Research and Training in Tropical Diseases (TDR) World Health Organization Geneva Switzerland UNICEF/UNDP/World Bank/WHO Special Programme for Research and Training in Tropical Diseases (TDR), World Health Organization, Geneva, Switzerland.
5 Alliance for Health Policy and Systems Research World Health Organization Geneva Switzerland Alliance for Health Policy and Systems Research, World Health Organization, Geneva, Switzerland.