A Metin Gülmezoglu1
, Mariana Widmer1
, Mario Merialdi1
, Zahida Qureshi2
, Gilda Piaggio1
, Diana Elbourne3
, Hany Abdel-Aleem4
, Guillermo Carroli5
, G Justus Hofmeyr6
, Pisake Lumbiganon7
, Richard Derman8
, Pius Okong9
, Shivaprasad Goudar10
, Mario Festin11
, Fernando Althabe12
and Deborah Armbruster13 
1
UNDP/UNFPA/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction, Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland
2
Department of Obstetrics and Gynaecology, Kenyatta National Hospital, University of Nairobi, Nairobi, Kenya
3
London School of Hygiene and Tropical Medicine, London University, London, UK
4
Department Obstetrics and Gynaecology, Assiut University Hospital, Assiut, Egypt
5
Centro Rosarino de Estudios Perinatales, Rosario, Argentina
6
Effective Care Research Unit, University of Witwatersrand, University of Fort Hare, East London, South Africa
7
Department of Obstetrics and Gynaecology, Khon Kaen University, Khon Kaen, Thailand
8
University of Missouri, Kansas City, USA
9
Department Obstetrics and Gynaecology, San Raphael of St. Francis Hospital Nsambya, Kampala, Uganda
10
Department of Medical Education, K L E Society's J N Medical College, Belgaum, India
11
Philippine General Hospital, Manila, Philippines
12
Department of Mother and Child's Health Research, Buenos Aires, Argentina
13
Program for Appropriate Technology in Health (PATH), Washington, USA