1. Department of Research, Sunnaas Rehabilitation Hospital, Nesoddtangen-Bjornemyr, Norway
2. Department of Psychology, Faculty of Social Sciences, University of Oslo, Oslo, Norway
3. Department of Physical Medicine and Rehabilitation, Oslo University Hospital, Oslo, Norway
4. Center for Habilitation and Rehabilitation Models and Services (CHARM), University of Oslo, Oslo, Norway
5. Psychosomatic and CL Psychiatry, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
6. Department of Mental Disorders, Norwegian Institute of Public Health, Oslo, Norway
7. PROMENTA Research Center, Department of Psychology, University of Oslo, Oslo, Norway