| Affiliation: | 1. Department of Public Health, Erasmus University, Rotterdam, the Netherlands;2. Department of Epidemiology, University Hospital, Utrecht, the Netherlands;3. Department of Gastroenterology, Groningen University Hospital, Groningen, the Netherlands;4. Department of Gastroenterology, Netherlands Cancer Institute, Amsterdam, the Netherlands;5. Department of Gastroenterology, Leiden University Hospital, Leiden, the Netherlands;6. Department of Gastroenterology, Nijmegen University Hospital, Nijmegen, the Netherlands;7. Department of Clinical Genetics, Free University Hospital, Amsterdam, the Netherlands;8. MGC-Department of Human Genetics, Leiden University, Leiden, the Netherlands |
