| Affiliation: | 1. Department of Surgery, University Medical Center Utrecht, Utrecht, the Netherlands;2. Department of Surgery, St. Antonius Hospital, Nieuwegein, the Netherlands;3. Department of Surgery, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Center, Amsterdam, the Netherlands;4. Department of Radiology, St. Antonius Hospital, Nieuwegein, the Netherlands;5. Department of Surgery, Jeroen Bosch Hospital, Den Bosch, the Netherlands;6. Department of Gastroenterology and Hepatology, Erasmus Medical Center, Rotterdam, the Netherlands;7. Department of Epidemiology, University Medical Center Groningen, and Faculty of Economics and Business, University of Groningen, Groningen, the Netherlands;8. Department of Surgery, Maastricht University Medical Center, Maastricht, the Netherlands and Department of Surgery, Universitätsklinikum Aachen, Aachen, Germany;9. Department of Surgery, Gelre Hospital, Apeldoorn, the Netherlands;10. Deptartment of Surgery, Erasmus Medical Center, Rotterdam, the Netherlands;11. Department of Gastroenterology and Hepatology, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Center, Amsterdam, the Netherlands;12. Department of Surgery, Radboud University Medical Center, Nijmegen, the Netherlands;13. Department of Surgery, Maasstad Hospital, Rotterdam, the Netherlands;14. Department of Surgery, Elisabeth-Tweesteden Hospital, Tilburg, the Netherlands;15. Department of Surgery, University Medical Center Groningen, Groningen, the Netherlands;16. Department of Surgery, Medical Center Alkmaar, Alkmaar, the Netherlands;17. Department of Surgery, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands;18. Department of Surgery, Hospital Gelderse Vallei, Ede, the Netherlands;19. Department of Radiology, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Center, Amsterdam, the Netherlands;20. Department of Radiology, University Medical Center Utrecht, Utrecht, the Netherlands;21. Department of Surgery, Medical Center Leeuwarden, Leeuwarden, the Netherlands;22. Department of Surgery, Isala, Zwolle, the Netherlands;23. Department of Surgery, Reinier de Graaf Hospital, Delft, the Netherlands;24. Department of Surgery, Canisius Wilhelmina Hospital, Nijmegen, the Netherlands;25. Department of Surgery, Leiden University Medical Center, Leiden, the Netherlands;26. Department of Surgery, Amphia Hospital, Breda, the Netherlands;27. Department of Gastroenterology and Hepatology, St. Antonius Hospital, Nieuwegein, the Netherlands;28. Department of Surgery, Medical Spectrum Twente, Enschede, the Netherlands;29. Department of Operating Rooms-Evidence Based Surgery, Radboud University Medical Center, Nijmegen, the Netherlands |
