1. Department of Rehabilitation University Hospital of North Norway Tromsø Norway
2. Faculty of Health Sciences, Department of Clinical Medicine UiT The Arctic University of Norway Tromsø Norway
3. Department of Paediatric Rehabilitation University Hospital of North Norway Tromsø Norway
4. Faculty of Medicine, Institute of Mental Health Norwegian University of Science and Technology Trondheim Norway
5. Department of Brøset St. Olavs University Hospital Trondheim Norway
6. Norwegian National Advisory Unit on Ageing and Health Vestfold County Hospital Trust Tønsberg Norway
7. Department of Geriatric Medicine Oslo University Hospital Oslo Norway
8. Department of Chronic Diseases and Ageing Norwegian Institute of Public Health Oslo Norway
9. Department of Pain University Hospital of North Norway Tromsø Norway
10. Department of Clinical Research University Hospital of North Norway Tromsø Norway
11. Faculty of Medicine, Institute of Health and Society, Research Centre for Habilitation and Rehabilitation Model and Services (CHARM) University of Oslo Oslo Norway