1. Department of Gastroenterology and Hepatology, Odense University Hospital, Odense, Denmark
2. Department of Clinical Research, University of Southern Denmark, Odense, Denmark
3. Gastro Unit, Copenhagen University Hospital Hvidovre, Denmark
4. Center for Functional and Diagnostic Imaging and Research, Department of Clinical Physiology and Nuclear Medicine 260, Faculty of Health Sciences Hvidovre Hospital, University of Copenhagen, Denmark
5. Department of Cardiovascular and Renal Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark