1. Research Center for Habilitation and Rehabilitation Services and Models (CHARM), Institute of Health and Society, University of Oslo, Oslo, Norway
2. Department of Geriatric Medicine, Oslo University Hospital, Oslo, Norway
3. Oslo Centre for Biostatistics and Epidemiology, Department of Biostatistics, University of Oslo, Oslo, Norway
4. Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
5. Department of Physical Medicine and Rehabilitation, Oslo University Hospital, Oslo, Norway
6. Department of Neurology, Akershus University Hospital, Lørenskog, Norway
7. Department of Health and Nursing Sciences, Faculty of Social and Health Sciences, Inland Norway University of Applied Sciences, Elverum, Norway
8. Department of Health and Care Sciences, Faculty of Health Sciences, UiT, The Arctic University of Norway, Narvik, Norway
9. Centre for Language and Communication Sciences Research, School of Health Sciences, City, University of London, London, UK
10. School of Nursing, University of Central Lancashire, Lancashire, UK