1. Department of Surgery, School of Medicine, Washington University, St. Louis
2. Department of Surgery, Duke University School of Medicine
3. Department of Surgery, School of Medicine, University of Wisconsin, Madison
4. Department of Surgery, University of Miami School of Medicine
5. Department of Surgery, Indiana University School of Medicine
6. Department of Surgery, University of Pennsylvania School of Medicine
7. Department of Surgery, University of Michigan School of Medicine
8. Department of Surgery, University of Chicago School of Medicine
9. Department of Surgery, University of Maryland School of Medicine
10. Department of Surgery, David Geffen School of Medicine at UCLA
11. Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School
12. Department of Surgery, University of Alabama School of Medicine
13. Department of Surgery, Keck School of Medicine of USC
14. Department of Surgery, Mayo Clinic, Arizona
15. Department of Surgery, UCSF School of Medicine
16. Department of Surgery, Ochsner Clinic
17. Department of Surgery, Tampa General Hospital
18. Department of Surgery, Ochsner Medical Center, New Orleans, LA