1. National Health and Medical Research Council Clinical Trials Centre, University of Sydney, Sydney, Australia
2. Department of Paediatrics, University of Otago, Christchurch, New Zealand
3. Department of Pediatrics, University of California, San Diego
4. Division of Neonatology, University of Pennsylvania, Philadelphia
5. Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
6. Department of Neonatology, Royal Infirmary of Edinburgh, Edinburgh, Scotland
7. Newborn Research, Royal Women’s Hospital, Departments of Obstetrics and Gynaecology, and Paediatrics, University of Melbourne, Melbourne, Australia
8. Clinical Sciences, Murdoch Children’s Research Institute, Melbourne, Australia
9. Department of Pediatrics, University of Alabama, Birmingham
10. Birmingham Clinical Trials Unit, University of Birmingham, Birmingham, England
11. National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, England
12. Statistics and Epidemiology Unit, RTI International, Rockville, Maryland
13. Statistics and Epidemiology Unit, RTI International, Research Triangle Park, North Carolina
14. Department of Pediatrics, Dalhousie University, Halifax, Nova Scotia, Canada
15. Department of Neonatology, Tuebingen University Hospital, Tuebingen, Germany
16. Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada
17. Newborn Services, Auckland City Hospital, Auckland, New Zealand
18. Royal Maternity Hospital, Belfast, Ireland
19. Department of Child Health, Queen’s University, Belfast, Ireland
20. EGA Institute for Women’s Health, University College London, London, England
21. Department of Neonatal Medicine, James Cook University, Middlesbrough, England
22. University of Cambridge, Department of Obstetrics and Gynaecology, Cambridge, England