1. a Department of Neurology , Tampere University Hospital , Tampere, Finland
2. b Department of Physiology , Faculty of Medicine, Tampere University , Tampere, Finland
3. c Department of Neurosurgery , Tampere University Hospital , Tampere, Finland
4. d Department of Radiology , Tampere University Hospital , Tampere, Finland
5. e Department of Neuropsychiatry and Psychosomatic Medicine , Division of Clinical Neuroscience, Oslo University Hospital , Rikshospitalet, Oslo, Norway
6. f John Magaddino Neuroscience Laboratory, Saint Mary's College of California , Moraga, CA, USA
7. g Finnish Association of people with Physical Disabilities, Käpylä Rehabilitation Centre Synapsia , Helsinki, Finland