1. Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
2. Department of Vascular Surgery, Academic Medical Centre, Amsterdam, The Netherlands
3. Vascular Surgery Unit, Hospital Henri Mondor, Créteil, France
4. Vascular Surgery Research Group, Imperial College, Charing Cross Hospital, London, UK
5. Academic Medical Centre, Amsterdam, The Netherlands
6. Onze Lieve Vrouwe Gasthuis, Amsterdam, The Netherlands
7. VU University Medical Centre, Amsterdam, The Netherlands
8. Sint Lucas Andreas Ziekenhuis, Amsterdam, The Netherlands
9. Slotervaartziekenhuis, Amsterdam, The Netherlands
10. Boven IJ Ziekenhuis, Amsterdam, The Netherlands
11. Ziekenhuis Amstelland, Amstelveen, The Netherlands
12. Waterlandziekenhuis, Purmerend, The Netherlands
13. Zaans Medisch Centrum, Zaandam, The Netherlands
14. Spaarne Ziekenhuis, Hoofddorp, The Netherlands
15. Regional ambulance services
16. Centre Hospitalier Universitaire (CHU), Henri Mondor, Créteil, France
17. CHU Bichat, Paris, France
18. CHU Dijon, Dijon, France
19. Centre Hospitalier Régional Universitaire (CHRU) Lille, Lille, France
20. Hôpital Nord Marseille, Marseille, France
21. CHU Marseille, Marseille, France
22. CHU Montpellier, Montpellier, France
23. CHU Hôpital Européen Georges-Pompidou, Paris, France
24. CHU Brest, Brest, France
25. CHU Saint Etienne, Saint Etienne, France
26. CHRU Tours, Tours, France
27. CHU Nice, Nice, France
28. Centre Hospitalier Régional Annecy, Annecy, France
29. CHU Lyon, Lyon, France
30. Chair, Imperial College London, UK
31. University Hospital of South Manchester, Manchester, UK
32. London School of Hygiene and Tropical Medicine, London, UK
33. Imperial College London, UK
34. St George's Hospital, London, UK
35. University of Cambridge, Cambridge, UK
36. Imperial College Healthcare NHS Trust, London, UK
37. Addenbrooke's Hospital, Cambridge, UK
38. Manchester Royal Infirmary, Manchester, UK
39. Guy's and St Thomas’ Hospital, London, UK
40. Kent and Canterbury Hospital, Canterbury, UK
41. Leicester Royal Infirmary, Leicester, UK
42. Royal Free Hospital, London, UK
43. Leeds General Infirmary, Leeds, UK
44. Freeman Hospital, Newcastle upon Tyne, UK
45. King's College Hospital, London, UK
46. Aberdeen Royal Infirmary, Aberdeen, UK
47. James Cook University Hospital, Middlesbrough, UK
48. Queen's Medical Centre, Nottingham, UK
49. Royal Cornwall Hospital, Truro, UK
50. Royal Bournemouth Hospital, Bournemouth, UK
51. Royal Sussex County Hospital, Brighton, UK
52. Queen Elizabeth Hospital, Gateshead, UK
53. Hull Royal Infirmary, Hull, UK
54. Colchester General Hospital, Colchester, UK
55. Frimley Park Hospital, Frimley, UK
56. Ninewells Hospital, Dundee, UK
57. Royal Gwent Hospital, Newport, UK
58. University Hospital of Wales, Cardiff, UK
59. New Cross Hospital, Wolverhampton, UK
60. Doncaster Royal Infirmary, Doncaster, UK
61. Royal Derby Hospital, Derby, UK
62. University Hospital of North Staffordshire, Stoke-on-Trent, UK
63. York Hospital, York, UK
64. London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada