1. Abdominal Centre; Rigshospitalet Copenhagen
2. Department of Gastroenterology; Herlev and Gentofte Hospital; Herlev Denmark
3. Department of Hematology; Herlev and Gentofte Hospital; Herlev Denmark
4. Department of Rehabilitation; Herlev and Gentofte Hospital; Herlev Denmark
5. Department of Surgical Gastroenterology; Zealand University Hospital; Koege Denmark
6. Department of Clinical Medicine; University of Copenhagen; Copenhagen Denmark