1. Department of Internal Medicine, Queen Ingrids Hospital, Nuuk, Greenland.
2. Department of Clinical Medicine, Arctic Health Research Centre, Aalborg University, Aalborg, Denmark.
3. Ilisimatusarfik, University of Greenland, Nuuk, Greenland.
4. Department of Geriatric Medicine, Aalborg Hospital, Aalborg, Denmark.
5. Primary Health Care Clinic, Nuuk, Greenland.
6. Ammassalik Hospital, Ammassalik, Greenland.