ผู้เขียน: James P. Neilson

Professor G. Justus Hofmeyr Director/Hon Professor, Effective Care Research Unit, University of the Witwatersrand, University of Fort Hare, Eastern Cape Department of Health, Frere and Cecilia Makiwane Hospitals, South Africa. Prof Zarko Alfirevic Professor of Fetal and Maternal Medicine Division of Perinatal and Reproductive Medicine, The University of Liverpool, UK. Caroline A. Crowther Associate Professor, Dept Obstetrics and Gynaecology, University of Adelaide, South Africa. Lelia Duley Obstetric Epidemiologist, Institute of Health Sciences, Oxford, UK. Dr A Metin Gülmezoglu Department of Reproductive Health and Research, World Health Organization. Mrs Gillian? ML Gyte Cochrane Pregnancy and Childbirth Group, Division of Perinatal and Reproductive Medicine, The University of Liverpool, UK. Ellen D. Hodnett Professor James P. Neilson, Obstetrics and Gynaecology, University of Liverpool, UK.