1. Department of Surgery, Erasmus University Medical Center, Rotterdam, Netherlands
2. Department of Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
3. Cancer Center Amsterdam, Amsterdam, Netherlands
4. Department of Surgery, Leiden University Medical Center, Leiden, Netherlands
5. Department of Surgery, Catharina Medical Center, Eindhoven, Netherlands
6. Department of Surgery, NorthShore University HealthSystem, Evanston, IL
7. Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX
8. Department of Surgery, Division of GI Surgical Oncology, University of Pittsburgh Medical Center, Pittsburgh, PA