1. Department of Surgery, Oregon Health & Science University, Portland
2. Department of Surgery, Duke University School of Medicine, Durham, North Carolina
3. Department of Biostatistics, University of Washington, Seattle
4. Department of Surgery, University of Washington, Seattle
5. Department of Emergency Medicine, University of Texas Southwestern Medical Center, Dallas
6. Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas
7. Department of Emergency Medicine, University of British Columbia, Vancouver, British Columbia, Canada
8. Providence Health Care Research Institute, Vancouver, British Columbia, Canada
9. Rescu, Li Ka Shing Knowledge Institute, St Michael’s Hospital, Toronto, Ontario, Canada
10. Division of Emergency Medicine, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
11. Department of Emergency Medicine, Regions Hospital, St Paul, Minnesota
12. Department of Surgery, University of Alabama, Birmingham
13. Department of Surgery, University of Arizona, Phoenix
14. Department of Emergency Medicine, Medical College of Wisconsin, Milwaukee
15. Department of Surgery, University of Cincinnati, Cincinnati, Ohio
16. Department of Surgery, McGovern Medical School, University of Texas Health Science Center, Houston
17. Department of Laboratory Medicine & Pathobiology, University of Toronto, Toronto, Ontario, Canada
18. Department of Emergency Medicine, University of Cincinnati, Cincinnati, Ohio
19. Department of Surgery, Regions Hospital, St Paul, Minnesota
20. Trauma Surgery, Texas Health Presbyterian Hospital, Dallas
21. Department of Emergency Medicine, John Peter Smith Health Network, Ft Worth, Texas
22. Johns Hopkins School of Medicine, Baltimore, Maryland
23. British Columbia Emergency Health Services, Vancouver, British Columbia, Canada
24. Department of Emergency Medicine, Baylor University Medical Center, Dallas, Texas
25. Department of Surgery, Mayo Clinic, Rochester, Minnesota
26. Department of Surgery, John Peter Smith Health Network, Ft Worth, Texas
27. Department of Emergency Medicine, Oregon Health & Science University, Portland, Oregon
28. Department of Emergency Medicine, Hennepin County Medical Center, Minneapolis, Minnesota
29. Department of Surgery, St Michael’s Hospital, Toronto, Ontario, Canada
30. Department of Emergency Medicine, Medical City Plano, Plano, Texas
31. Emergency Medicine, Methodist Dallas Medical Center, Dallas, Texas
32. National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
33. Trauma Surgery, Texas Health Harris Methodist Hospital, Ft Worth