1 Division of Gastroenterology and Hepatology Leuven University Hospitals, Leuven, Belgium; Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism, University of Leuven, Leuven, Belgium; President of the Rome Foundation for Disorders of Gut Brain Interactions, Visiting Professor, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden.
2 Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism, University of Leuven, Leuven, Belgium.
3 Faculty of Health and Medical Sciences, University of Adelaide and Endocrine and Metabolic Unit, Royal Adelaide Hospital Adelaide, Australia.