1. Unit of Physiotherapy, Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden.
2. Department of Activity and Health and Department of Medical and Health Sciences, Linköping University.
3. Division of Physiotherapy, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden.
4. Region Jönköping County, Rehabilitation Centre, Ryhov County Hospital, Jönköping, Sweden.