1. Department of Physical Medicine and Rehabilitation, Oslo University Hospital, Oslo, Norway
2. Department of Psychology, Faculty of Social Sciences, University of Oslo, Oslo, Norway
3. Department of Research, Sunnaas Rehabilitation Hospital, Nesoddtangen, Norway
4. Center for Habilitation and Rehabilitation Models and Services, Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway
5. Department for Occupational Therapy, Prosthetics and Orthotics, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
6. Department of Physiotherapy, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
7. Centre for Rare Disorders, Oslo University Hospital, Oslo, Norway
8. M. Louise Fitzpatrick College of Nursing, Villanova University, Villanova, Pennsylvania
9. Department of Health Sciences in Gjøvik, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Gjøvik, Norway
10. Oslo Centre for Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway
11. Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway