1. UCL Great Ormond Street Institute of Child Health, Faculty of Population Health Sciences, University College London, London, UK
2. Health Data Research UK, London, UK
3. Liverpool Clinical Trials Centre, University of Liverpool, Liverpool, UK
4. Centre for Health Economics, University of York, York, UK
5. Barts Health NHS Trust, London, UK
6. Division of Neonatal–Perinatal Medicine, Dalhousie University IWK Health Centre, Halifax, NS, Canada
7. Birmingham Women’s and Children’s NHS Foundation Trust, Birmingham, UK
8. National Infection Service, Public Health England, London, UK
9. Centre for Reviews and Dissemination, University of York, York, UK
10. Bradford Neonatology, Bradford Royal Infirmary, Bradford, UK