1. Department of Gastroenterology & Hepatology, Erasmus MC – University Medical Center, Rotterdam, The Netherlands
2. Department of Medical Informatics, Erasmus MC – University Medical Center, Rotterdam, The Netherlands
3. Department of Epidemiology, Erasmus MC – University Medical Center, Rotterdam, The Netherlands
4. Research Evaluation Unit, Oxford PharmaGenesis™ Ltd, Oxford, United Kingdom
5. Division of Gastroenterology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
6. Department of Internal Medicine, Erasmus MC – University Medical Center, Rotterdam, The Netherlands