1. Department of Surgery, University Hospitals/Case Medical Center, Cleveland, Ohio
2. Department of Surgery, Medical College of Wisconsin, Milwaukee
3. Department of Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
4. Department of Surgery, Columbia University College of Physicians and Surgeons, New York, New York
5. Department of Pathology, University of Toronto, Toronto, Ontario, Canada
6. Department of Surgery, University of California San Francisco Medical Center, San Francisco
7. Department of Surgery, Boston University, Boston, Massachusetts
8. Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
9. Department of Surgery, University of Calgary, Calgary, Alberta, Canada
10. Department of Surgery, MD Anderson Cancer Center, Houston, Texas
11. Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York
12. Department of Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
13. Department of Surgery, Northwestern University, Chicago, Illinois
14. Department of Radiology, University of Pittsburgh, Pittsburgh, Pennsylvania
15. Department of Surgery, Yale University, New Haven, Connecticut
16. Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania