1. Department of Gastroenterology and Hepatology; Radboud University Medical Centre; Nijmegen The Netherlands
2. Department of Gastroenterology and Hepatology; Jeroen Bosch Hospital; ‘s-Hertogenbosch The Netherlands
3. Department for Health Evidence; Radboud University Medical Centre; Nijmegen The Netherlands
4. Department of Cardiology; Radboud University Medical Centre; Nijmegen The Netherlands
5. Department of Gastroenterology and Hepatology; Elisabeth Hospital; Tilburg The Netherlands
6. Department of Gastroenterology and Hepatology; Elkerliek Hospital; Helmond The Netherlands
7. Division of Digestive Diseases; David Geffen School of Medicine at UCLA; Los Angeles CA USA
8. Department of Gastroenterology and Hepatology; University Medical Centre Utrecht; Utrecht The Netherlands