1. Research Center for Habilitation and Rehabilitation Models and Services (CHARM), Institute of Health and Society, University of Oslo, Oslo, Norway
2. Faculty of Health Sciences, Oslo and Akershus University College of Applied Sciences, Oslo, Norway
3. Neuropediatric Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
4. The Cerebral Palsy Follow-Up Program (CPOP), Department of Neurosciences for Children, Oslo University Hospital, Oslo, Norway