1. Department of Research, Sunnaas Rehabilitation Hospital, Nesoddtangen, Norway
2. Department of Psychology, University of Oslo, Oslo, Norway
3. Department of Health Sciences, Institute of Health and Society, University of Oslo, Oslo, Norway
4. Dept. of Nursing Science, Inst. of Health and Society, University of Oslo, Oslo, Norway
5. Research Center for Habilitation and RehabilitationModels andServices, Institute of Health and Society, Institute of Health and Society, University of Oslo, Oslo, Norway