1. Department of Gastroenterology and Hepatology; Amsterdam UMC, Vrije Universiteit Amsterdam, AG&M research institute; Amsterdam The Netherlands
2. Department of Epidemiology and Biostatistics; Amsterdam UMC, Vrije Universiteit; Amsterdam The Netherlands
3. Department of Gastroenterology and Hepatology; Radboud University Medical Centre; Nijmegen The Netherlands
4. Department of Gastroenterology and Hepatology; University Medical Centre Utrecht; Utrecht The Netherlands
5. Department of Gastroenterology and Hepatology; Amsterdam UMC, Academical Medical Centre; Amsterdam The Netherlands
6. Department of Gastroenterology and Hepatology; Erasmus University Medical Centre; Rotterdam The Netherlands
7. Department of Gastroenterology and Hepatology; Leiden University Medical Centre; Leiden The Netherlands
8. Department of Gastroenterology and Hepatology; Maastricht University Medical Centre; Maastricht The Netherlands
9. Department of Gastroenterology and Hepatology; University Medical Centre Groningen and University of Groningen; Groningen The Netherlands