1. Department of Surgery, University of Pennsylvania Perelman School of Medicine, Philadelphia
2. Department of Surgery, University of Tennessee Health Science Center, Memphis
3. Department of Surgery, University of Verona, Pancreas Institute, Verona, Italy
4. Department of Surgery, Indiana University School of Medicine, Indianapolis
5. Department of Surgery, University of Calgary, Calgary, Alberta, Canada
6. Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
7. Department of Surgery, Jefferson Medical College, Philadelphia, Pennsylvania
8. Department of Surgery, Baylor College of Medicine, Houston, Texas
9. Department of Surgery, University of Alabama School of Medicine, Birmingham
10. Department of Surgery, Yale School of Medicine, New Haven, Connecticut
11. Department of Surgery, The Ohio State University Wexner Medical Center, Columbus
12. Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania