1. Department of Community Medicine and Rehabilitation, Rehabilitation Medicine
2. Department of Pharmacology and Clinical Neuroscience, Neurosurgery
3. Department of Radiation Sciences, Diagnostic Radiology, Umeå University, Umeå, Sweden
4. Department of Rehabilitation Medicine, Linköping University, Linköping, Sweden
5. Department of Clinical Sciences, Danderyd University Hospital, Division of Rehabilitation Medicine, Karolinska Institutet, Stockholm, Sweden
6. Department of Rehabilitation Medicine, Danderyd Hospital, Stockholm, Sweden