1. Department of Neurosurgery Juntendo University Faculty of Medicine Tokyo Japan
2. Institute of Clinical Medicine-Pathology University of Eastern Finland
3. Department of Pathology Kuopio University Hospital Kuopio Finland
4. Institute of Biomedicine University of Eastern Finland Kuopio Finland
5. Institute of Clinical Medicine – Neurology University of Eastern Finland Kuopio Finland
6. Neurocentre Neurology Kuopio University Hospital Kuopio Finland
7. Department of Anaesthesiology and Intensive Care Kuopio University Hospital Kuopio Finland
8. Institute of Clinical Medicine-Neurosurgery University of Eastern Finland
9. Neurocentre Neurosurgery Kuopio University Hospital Kuopio Finland
10. Department of Psychiatry and Behavioural Science Juntendo University Faculty of Medicine Tokyo Japan
11. Unit of Clinical Neuroscience, Neurosurgery University of Oulu and Medical Research Centre Oulu University Hospital Oulu Finland