1. Department of Gastroenterology and Hepatology, University Hospitals Leuven, KU Leuven, Leuven, Belgium;
2. Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Clinical and Experimental Medicine, KU Leuven, Leuven, Belgium;
3. Department of Public Health and Primary Care, Leuven Institute for Healthcare Policy, KU Leuven, Leuven, Belgium;
4. Department of Quality Management, University Hospitals of Leuven, Leuven, Belgium