1. Division of Habilitation, Telemark Hospital Trust, Skien, Norway
2. Institute of Health and Society, University of Oslo, Oslo, Norway
3. University Health Care Research Centre, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
4. Department of Clinical Neurosciences for Children, Oslo University Hospital, Oslo, Norway
5. Research Center for Habilitation and Rehabilitation Models & Services (CHARM), Faculty of Medicine, University of Oslo, Oslo, Norway
6. Department of Research, Telemark Hospital Trust, Skien, Norway