1. Centre for Nutrition and Bowel Disease; Department of Gastroenterology; Aalborg University Hospital; Aalborg Denmark
2. Geriatric; Geriatric Center; Umeaa Sweden
3. Geriatric Clinic; Stockholm Sweden
4. Department of Gastroenterology; Queen Alexandrine Hospital; Tórshavn Faroe Islands
5. Aker Hospital; Oslo Norway
6. Department of Gastroenterology; Aalborg University Hospital; Aalborg Denmark
7. Clinical Nutrition and Metabolism; Department of Public Health and Caring Sciences; Uppsala University; Uppsala Sweden
8. Department of Geriatrics; Uppsala University Hospital; Uppsala Sweden
9. Department of Public Health; Institute of Biostatistics; Aarhus Univsersity; Aarhus Denmark
10. Centre for Nutrition and Bowel Disease; Department of Gastroenterology; Aalborg University Hospital
11. Department of Health Sciences; Aalborg University; Aalborg Denmark