Affiliation: | 1. Oxford UniversityHospitals NHS Foundation Trust, Nuffield Orthopaedic Hospital, Oxford, UK;2. Centre for Trauma Sciences, Blizard Institute, Queen Mary University of London, London, UK;3. NHS Blood and Transplant Clinical Trials Unit, Cambridge, UK;4. Faculty of Health and Applied Sciences, University of the West of England, Bristol, UK;5. Trauma Audit and Research Network, Salford Royal Hospital, Northern Care Alliance NHS Foundation Trust, Salford, UK;6. Blizard Institute, Queen Mary University of London, London, UK;7. Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK;8. NHS Blood and Transplant Clinical Trials Unit, Bristol, UK;9. NHS Blood and Transplant and Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, Oxford, UK |