Ana Langer1
, José Villar2
, Mariana Romero3
, Gustavo Nigenda4
, Gilda Piaggio2
, Chusri Kuchaisit5
, Georgina Rojas6
, Muneera Al-Osimi7
, José Miguel Belizán7
, Ubaldo Farnot8
, Yagob Al-Mazrou9
, Guillermo Carroli3
, Hassan Ba'aqeel11
, Pisake Lumbiganon5
, Alain Pinol2
, Per Bergsjö10
, Leiv Bakketeig11
, Jo Garcia12
and Heinz Berendes^ 13
1Regional Office for Latin America and the Caribbean, The Population Council, Mexico City, Mexico
2Special Programme of Research, Development and Research Training in Human Reproduction, World Health Organization, Geneva, Switzerland
3Centro Rosarino de Estudios Perinatales, Rosario, Argentina
4Fundación Mexicana para la Salud, Mexico City, Mexico
5Khon Kaen University, Khon Kaen, Thailand
6Hospital Gineco-Obstétrico "América Arias", Havana, Cuba
7Latin American Centre for Perinatology and Human Development, Montevideo, Uruguay
8Hospital Gineco-Obstétrico "América Arias", Havana, Cuba
9Ministry of Health, Riyadh, Saudi Arabia
10Department of Obstetrics and Gynaecology, University of Bergen, Bergen, Norway
11National Institute of Public Health, Oslo, Norway
12National Perinatal Epidemiology Unit, Oxford University, Oxford, England
13National Institute of Child Health and Human Development. Bethesda, Maryland, USA