1. Department of Gastroenterology and Hepatology, Radboud University Medical Center, Nijmegen, the Netherlands
2. Department for Health Evidence, Radboud University Medical Center, Nijmegen, the Netherlands
3. Department of Gastroenterology and Hepatology, Amsterdam Medical Center, Amsterdam, the Netherlands
4. Department of Human Genetics, Radboud University Medical Center, Nijmegen, the Netherlands
5. Department of Pathology, Radboud University Medical Center, Nijmegen, The Netherlands