1. Department of Health and Functioning, Western Norway University of Applied Sciences, Bergen, Norway
2. Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
3. Department of Clinical Neurosciences for Children, Oslo University Hospital, Oslo, Norway
4. Institute of Health and Society, CHARM, University of Oslo, Oslo, Norway
5. Department of Physiotherapy, Monash University, Victoria, Australia
6. Institute of Neuroscience and Physiology, Rehabilitation Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
7. Region Västra Götaland, Habilitation & Health, Gothenburg, Sweden
8. Research Department, Sunnaas Rehabilitation Hospital, Nesoddtangen, Norway