1. KU Leuven Department of Human Genetics, Laboratory for Complex Genetics, Leuven, Belgium
2. KU Leuven Department of Chronic Diseases, Metabolism and Ageing, Translational Research Center for Gastrointestinal Disorders (TARGID), Leuven, Belgium
3. Department of Gastroenterology and Hepatology, University Hospitals Leuven, KU Leuven, Leuven, Belgium