1. Health Services Research Unit, University of Aberdeen, Aberdeen, Scotland
2. Center for Injury Science, University of Alabama at Birmingham
3. Barts Health NHS Trust, Royal London Hospital, St Bartholomew’s Hospital, London, England
4. Royal London Hospital, London, England
5. Health Economics Research Unit, University of Aberdeen, Aberdeen, Scotland
6. Medical Statistics Team, University of Aberdeen, Aberdeen, Scotland
7. Queen Mary University of London, London, England
8. Centre for Urgent and Emergency Care Research, Health Services Research Section, School of Health and Related Research, University of Sheffield, Sheffield, England
9. Nottingham University Hospital Trust, Nottingham, England
10. Division of Vascular and Endovascular Surgery, Mayo Clinic, Rochester, Minnesota
11. Edinburgh Clinical Trials Unit, University of Edinburgh, Edinburgh, Scotland
12. University of Strathclyde, Glasgow, Scotland
13. Academic Department of Military Surgery and Trauma, Royal Centre for Defence Medicine, Birmingham, England
14. Patient and public involvement representative in England
15. St Mary’s Hospital, London, England
16. King’s College Hospital, London, England
17. Queen’s Medical Centre, Nottingham, England
18. University Hospitals of North Midlands, Stoke-on-Trent, England
19. Hull University Teaching Hospitals, Hull, England
20. University Hospital, Coventry, England
21. St George’s University Hospital, London, England
22. Royal Victoria Infirmary, Newcastle upon Tyne, England
23. Queen Elizabeth Hospital, Birmingham, England
24. John Radcliffe Hospital, Oxford, England
25. Sheffield Teaching Hospital, Sheffield, England
26. Aintree University Hospital, Liverpool, England
27. James Cook University Hospital, Middlesbrough, England
28. Leeds General Infirmary, Leeds, England
29. Southmead Hospital, Bristol, England