1. Department of Neonatal Medicine, Women and Children’s Hospital, Hull Royal Infirmary, Hull, UK
2. NPEU Clinical Trials Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
3. Women’s Health Research Group, Leeds Institute of Cancer and Pathology, St James’s University Hospital, Leeds, UK
4. Leeds Neonatal Service, Leeds General Infirmary, Leeds, UK
5. Patient and public involvement representative
6. Birmingham Clinical Trials Unit, Institute of Applied Health Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
7. Department of Paediatrics, University of Oxford, John Radcliffe Hospital, Oxford, UK
8. Leeds Teaching Hospitals NHS Trust, Leeds, UK
9. Neonatal Unit, Liverpool Women’s Hospital, Liverpool, UK