1. Department of Physical Medicine and Rehabilitation, Oslo University Hospital, 0424 Oslo, Norway
2. Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, 0318 Oslo, Norway
3. Research Center for Habilitation and Rehabilitation Models and Services (CHARM), Institute of Health and Society, University of Oslo, 0373 Oslo, Norway
4. Department of Research, Sunnaas Rehabilitation Hospital Trust, 1453 Nesoddtangen, Norway
5. Department of Psychology, Faculty of Social Sciences, University of Oslo, 0373 Oslo, Norway