1. Department of Surgery, Harbor-UCLA Medical Center, Los Angeles, California
2. Division of Trauma and Acute Care Surgery, UC Davis Medical Center, Sacramento, California
3. Department of Emergency Medicine, Harbor-UCLA Medical Center, Los Angeles, California
4. Department of General Surgery, University of New Mexico Hospital, Albuquerque
5. Department of General Surgery, Iowa Methodist Medical Center, Des Moines
6. Department of Surgery, Mount Carmel Health System, Columbus, Ohio
7. Department of Surgery, Gunderson Health System, La Crosse, Wisconsin
8. Department of Surgery, Stanford University Medical Center, Palo Alto, California
9. Department of Surgery, Loma Linda University Health, Loma Linda, California
10. Department of Surgery, UC San Diego Health System, San Diego, California
11. Department of Surgery, University of Nebraska Medical Center, Omaha
12. Department of Surgery, UC Irvine Medical Center, Orange, California
13. Department of Surgery, Columbia University College of Physicians and Surgeons, New York, New York
14. Department of Surgery, Ronald Reagan UCLA Medical Center, Los Angeles, California