1. Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
2. Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
3. Department of Surgery, Harbor-UCLA Medical Center, Torrance, CA, USA
4. Department of Surgery, Medstar Georgetown Washington Hospital Center, Washington, DC, USA
5. Department of Surgery, Temple University Hospital, Philadelphia, PA, USA
6. Department of Surgery, Mount Sinai Hospital, Chicago, IL, USA
7. Department of Surgery, School of Medicine, The Johns Hopkins University, Baltimore, MD, USA
8. Department of Surgery, Northwestern University School of Medicine, Chicago, IL, USA
9. Department of Surgery, Yale School of Medicine, New Haven, CT, USA
10. Department of Emergency Medicine, University of California San Diego, San Diego, CA USA
11. Department of Surgery, Cook County Health, Chicago, IL, USA
12. Department of Surgery, Loma Linda University Medical Center, Loma Linda, CA, USA
13. Department of Surgery, Medical Center, University of California Davis, Sacramento, CA, USA
14. Department of Surgery, Cooper University Hospital, Camden, NJ, USA
15. Department of Surgery, Grant Medical Center, Columbus, OH, USA
16. Department of Surgery, Our Lady of the Lake Regional Medical Center, Baton Rouge, LA, USA
17. Department of Surgery, Allegheny General Hospital, Pittsburgh, PA, USA
18. Department of Surgery, Cape Fear Valley Hospital, Fayetteville, NC, USA
19. Department of Surgery, Ascension St. Vincent Hospital, Indianapolis, IN, USA
20. Department of Surgery, University of Rochester Medical Center, Rochester, NY, USA
21. Department of Surgery, Sydney & Lois Eskanzi Hospital (Smith Level I Shock Trauma), Indianapolis, IN, USA
22. Department of Surgery, Research Medical Center, Kansas City, MO, USA
23. Department of Surgery, Broward HealthMedical Center, Ft Lauderdale, FL, USA
24. Department of Surgery, Brigham & Women's Hospital, Boston, MA, USA
25. Department of Surgery, Bayview Medical Center, Johns Hopkins, Baltimore, MA, USA
26. Department of Surgery, University of Kentucky, Lexington, KY, USA
27. Department of Surgery, Ascension Via Christi Hospital St Francis, Wichita, KS, USA
28. Department of Surgery, University of Texas Health, Tyler, TX, USA
29. Department of Surgery, Medical City Plano, Plano, TX, USA
30. Department of Surgery, Tufts Medical Center, Boston, MA, USA