1. Department of Gastroenterology Copenhagen University Hospital Herlev Denmark
2. Department of Gastroenterology Odense University Hospital Odense Denmark
3. Research Unit of Medical Gastroenterology, Department of Clinical Research University of Southern Denmark Odense Denmark
4. Department of Hepatology and Gastroenterology Aarhus University Hospital Aarhus Denmark
5. Department of Oncology Copenhagen University Hospital Herlev Denmark