1. Department of Gastroenterology and Hepatology, Sint Antonius Ziekenhuis, Nieuwegein, Netherlands
2. Department of Gastroenterology and Hepatology, University Medical Centre Utrecht, Utrecht, Netherlands
3. Department of Pathology, Sint Antonius Ziekenhuis, Nieuwegein, Netherlands
4. Department of Gastroenterology and Hepatology, Beatrixziekenhuis, Gorinchem, Netherlands
5. Department of Gastroenterology and Hepatology, Amphia Ziekenhuis, Breda, Netherlands
6. Department of Gastroenterology and Hepatology, Ziekenhuis Gelderse Vallei, Ede, Netherlands
7. Department of Gastroenterology and Hepatology, Rijnstate, Arnhem, Netherlands
8. Department of Gastroenterology and Hepatology, Gelre Ziekenhuizen, Apeldoorn, Netherlands
9. Department of Gastroenterology and Hepatology, Deventer Ziekenhuis, Deventer, Netherlands
10. Department of Gastroenterology and Hepatology, Ziekenhuisgroep Twente, Almelo, Netherlands
11. Department of Gastroenterology and Hepatology, Slingeland Ziekenhuis, Doetinchem, Netherlands
12. Department of Internal Medicine, Ziekenhuis Rivierenland, Tiel, Netherlands
13. Department of Gastroenterology and Hepatology, Tergooi MC, Hilversum, Netherlands
14. Department of Gastroenterology and Hepatology, Meander MC, Amersfoort, Netherlands
15. Department of Gastroenterology and Hepatology, Jeroen Bosch Ziekenhuis, 's-Hertogenbosch, Netherlands
16. Department of Gastroenterology and Hepatology, Elisabeth-TweeSteden Ziekenhuis, Tilburg, Netherlands
17. Department of Gastroenterology and Hepatology, Groene Hart Ziekenhuis, Gouda, Netherlands
18. Department of Gastroenterology and Hepatology, Diakonessenhuis Utrecht Zeist Doorn, Utrecht, Netherlands
19. Department of Gastroenterology and Hepatology, Albert Schweitzer Ziekenhuis, Dordrecht, Netherlands
20. Department of Gastroenterology and Hepatology, Ziekenhuis Sint Jansdal, Harderwijk, Netherlands