1. Department of Community MedicineUiT The Arctic University of Norway Tromsø Norway
2. Department of Neurology, Molde HospitalMøre and Romsdal Health Trust Molde Norway
3. Department of PhysiotherapyUniversity Hospital of North Norway Tromsø Norway
4. Unit for Applied Clinical ResearchNorwegian University of Science and Technology Trondheim Norway
5. Department of Health and Care SciencesUiT The Arctic University of Norway Tromsø Norway