1. Department of Surgery, Division of Surgical Oncology Winship Cancer Institute, Emory University Atlanta Georgia USA
2. Department of Surgery, Division of Surgical Oncology University of Minnesota Minneapolis Minnesota USA
3. Department of Surgery Indiana University Indianapolis Indiana USA
4. Department of Surgery, Division of Surgical Oncology The Ohio State University Wexner Medical Center Columbus Ohio USA
5. Division of Hepatobiliary and Pancreas Surgery Mayo Clinic Rochester Minnesota USA
6. Department of Surgery, Division of Gastrointestinal Surgical Oncology University of Pittsburgh Medical Center Pittsburgh Pennsylvania USA
7. Department of Surgical Oncology University of Texas MD Anderson Cancer Center Houston Texas USA
8. Department of Gastrointestinal Oncology Moffitt Cancer Center Tampa Florida USA
9. Department of Oncologic Sciences Morsani College of Medicine Tampa Florida USA
10. Department of Surgery, Division of Surgical Oncology University of California San Diego California USA
11. Department of Surgery, Division of Surgical Oncology Medical College of Wisconsin Milwaukee Wisconsin USA
12. Department of Surgery University of Cincinnati College of Medicine Cincinnati Ohio USA
13. Department of Surgical Oncology, Health Huntsman Cancer Institute University of Utah Salt Lake City Utah USA
14. Department of Surgery, Division of Surgical Oncology University of Massachusetts Medical School Worcester Massachusetts USA
15. Department of Surgery, Division of Surgical Oncology University of Wisconsin Madison Wisconsin USA
16. Department of Surgery, Division of Surgical Oncology Johns Hopkins University Baltimore Maryland USA
17. Department of Surgery Johns Hopkins University Baltimore Maryland USA