1. Nutritional Research Unit; EFFECT; Herlev University Hospital; Herlev Denmark
2. Centre for Nutrition and Bowel Disease; Department of Gastroenterology; Aalborg University Hospital; Aalborg Denmark
3. Nutritional Unit; Herlev University Hospital; Herlev Denmark
4. Abdominal Centre; Rigshospital; Copenhagen University Hospital; Copenhagen Denmark
5. Clinical Health Promotion Centre; Skaane University Hospital; University of Lund; Lund Sweden