1. Imelda GI Clinical Research Center, Imelda General Hospital , Bonheiden , Belgium
2. Department of Gastroenterology and Hepatology, University Hospitals Leuven , Leuven , Belgium
3. Translational Research in Gastrointestinal Disorders, Department of Chronic Disease and Metabolism, KU Leuven , Leuven , Belgium
4. Department of Pathology, Imelda General Hospital , Bonheiden , Belgium