1. Department of Health Sciences, Lund University, Lund, 221 00, Sweden; and Department of Neurology and Rehabilitation Medicine, Skåne University Hospital, Lund, Sweden
2. Department of Health Sciences, Lund University, Lund, Sweden
3. Department of Health Sciences, Lund University, Lund; Department of Neurology and Rehabilitation Medicine, Skåne University Hospital, Lund, Sweden; Department of Health Sciences, Luleå University of Technology, Luleå, Sweden