1. Centre for Sami Health Research, Department of Community MedicineUiT The Arctic University of Norway Tromsø Norway
2. Department of Community MedicineUiT The Arctic University of Norway Tromsø Norway
3. HUNT Research Centre, Department of Public Health and NursingNorwegian University of Science and Technology (NTNU) Trondheim Norway
4. Division of Internal Medicine, Department of MedicineThe University Hospital of North Norway Harstad Norway