1. Department of Health Sciences, Rehabilitation Medicine Research Group, Lund University, Lund, Sweden
2. Department of Health Sciences, Physiotherapy Research Group, Lund University, Lund, Sweden
3. Department of Neurology and Rehabilitation Medicine, Skåne University Hospital, Lund, Sweden
4. Department of Health Science, Luleå University of Technology, Luleå, Sweden
5. Department of Rehabilitation Medicine, Sunderby Hospital, Luleå, Sweden