1. Department of Internal Medicine Section of Gastroenterology Hospital of South West Jutland Esbjerg Denmark
2. Department of Regional Health Research University of Southern Denmark Odense Denmark
3. Department of Medical Gastroenterology Odense University Hospital Odense Denmark
4. Research Unit of Medical Gastroenterology Department of Clinical Research University of Southern Denmark Odense Denmark
5. OPEN Odense Patient Data Explorative Network Odense University Hospital Odense Denmark
6. Department of Internal Medicine Section of Gastroenterology Lillebaelt Hospital Vejle Denmark
7. Department of Radiology Lillebaelt Hospital Vejle Denmark