1. Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
2. Department of Physiotherapy, Haukeland University Hospital, Bergen, Norway
3. Department of Occupational Therapy, Western Norway University of Applied Sciences, Bergen, Norway
4. Department of Neurology, Haukeland University Hospital, Bergen, Norway
5. Centre for age-related medicine, Stavanger University Hospital, Stavanger, Norway
6. Institute of Clinical Medicine, University of Bergen, Bergen, Norway
7. Department of Physical Medicine and Rehabilitation, Haukeland University Hospital, Bergen, Norway