1. Unit of Neurology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
2. Neurology of NeuroCenter, Kuopio University Hospital, Kuopio, Finland
3. Neurosurgery of NeuroCenter, Kuopio University Hospital, Kuopio, Finland
4. Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University and Department of Pathology and Cytology, Uppsala University Hospital, Uppsala, Sweden
5. Department of Radiology, Kuopio University Hospital, Kuopio, Finland
6. Department of Pathology, Kuopio University Hospital, Kuopio, Finland
7. Unit of Clinical Radiology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
8. Unit of Neurosurgery, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland