1. Faculty of Health Sciences, Institute of Occupational Therapy and Prosthetics and Orthotics, Oslo Metropolitan University, Oslo, Norway
2. Department of Rehabilitation, School of Health and Welfare, Jönköping University, Jönköping, Sweden
3. Department of Neuromedicine and Movement Science, NTNU, Helse Midt-Norge, Trondheim, Norway
4. Drammen Ortopediske Institutt, Drammen, Norway