Affiliation: | 4. Department of Gastroenterology and Hepatology, VU University Medical Center, Amsterdam, the Netherlands;5. Department of Surgery, VU University Medical Center, Amsterdam, the Netherlands;6. Department of Gastroenterology and Hepatology, Tergooi Ziekenhuis, Hilversum;7. Department of Surgery, Tergooi Ziekenhuis, Hilversum;8. Department of Gastroenterology and Hepatology, Spaarne Gasthuis, Haarlem and Hoofddorp;9. Department of Surgery, Spaarne Gasthuis, Haarlem and Hoofddorp;10. Department of Gastroenterology and Hepatology, Amstelland Ziekenhuis, Amstelveen;11. Department of Surgery, Amstelland Ziekenhuis, Amstelveen;12. Department of Gastroenterology and Hepatology, Zaans Medisch Centrum, Zaandam;13. Department of Surgery, Zaans Medisch Centrum, Zaandam;14. Department of Gastroenterology and Hepatology, Slotervaart Medisch Centrum, Amsterdam, the Netherlands;15. Department of Surgery, Slotervaart Medisch Centrum, Amsterdam, the Netherlands;16. Department of Gastroenterology and Hepatology, OLVG Oost, Amsterdam, the Netherlands;17. Department of Surgery, OLVG Oost, Amsterdam, the Netherlands;18. Department of Gastroenterology and Hepatology, OLVG West, Amsterdam, the Netherlands;19. Department of Surgery, OLVG West, Amsterdam, the Netherlands;20. Department of Gastroenterology and Hepatology, Flevoziekenhuis, Almere;21. Department of Surgery, Flevoziekenhuis, Almere;22. Department of Gastroenterology and Hepatology, Rodekruis Ziekenhuis, Beverwijk;23. Department of Surgery, Rodekruis Ziekenhuis, Beverwijk;24. Department of Gastroenterology and Hepatology, Noord-west Ziekenhuisgroep, Alkmaar;25. Department of Surgery, Noord-west Ziekenhuisgroep, Alkmaar;26. Department of Gastroenterology and Hepatology, NKI-AVL, Amsterdam, the Netherlands;27. Department of Surgery, NKI-AVL, Amsterdam, the Netherlands;28. Department of Gastroenterology and Hepatology, Westries Gasthuis, Hoorn, the Netherlands;29. Department of Surgery, Westries Gasthuis, Hoorn, the Netherlands;1. Department of Gastroenterology and Hepatology, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands;2. Department of Surgery, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands;3. Department of Pathology, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands |