1. Systematic Review Initiative, NHS Blood and Transplant John Radcliffe Hospital Oxford UK
2. Nuffield Division of Clinical Laboratory Services, Radcliffe Department of Medicine, John Radcliffe Hospital University of Oxford Oxford UK
3. All Hazards Intelligence UK Health Security Agency London UK
4. National Guideline Alliance (NGA) Royal College of Obstetricians and Gynaecologists (RCOG) London UK
5. Department of Clinical, Education, and Health Psychology University College London London UK
6. Neonatal Unit, Northwick Park Hospital London Northwest Healthcare University NHS Trust London UK
7. Department of Obstetrics, St Mary's Hospital, Manchester Academic Health Science Centre Manchester University Hospitals NHS Foundation Trust Manchester UK
8. Women and Newborns, Princess Anne Hospital University Hospital Southampton NHS Foundation Trust Southampton UK
9. Department of Health Sciences University of Southampton Southampton UK
10. Centre for Prognosis Research School of Medicine, Keele University Staffordshire UK
11. Department of Obstetrics and Gynaecology, Maternity Centre,Royal Stoke University Hospital University Hospitals of North Midlands NHS Trust Staffordshire UK
12. Obstetrics and Gynaecology Homerton University Hospital London UK