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