1. Department of Public HealthErasmus University Medical Center Rotterdam The Netherlands
2. Department of GastroenterologyNetherlands Cancer Institute – Antoni van Leeuwenhoek Amsterdam The Netherlands
3. Department of Gastroenterology and HepatologyErasmus University Medical Center Rotterdam The Netherlands
4. Department of PathologyErasmus University Medical Center Rotterdam The Netherlands
5. Department of Clinical ChemistryErasmus University Medical Center Rotterdam The Netherlands
6. Department of RadiologyErasmus University Medical Center Rotterdam The Netherlands
7. Department of Gastroenterology and HepatologyAmsterdam University Medical Centers – Academic Medical Center Amsterdam The Netherlands
8. Department of PathologyRadboud University Medical Center Nijmegen The Netherlands