1. A.I. Virtanen Institute, University of Kuopio, FIN-70211 Kuopio, Finland; Department of Neurosurgery, Kuopio University Hospital, FIN-70211 Kuopio, Finland; Gene Therapy Unit, Kuopio University Hospital, FIN-70211 Kuopio, Finland
2. A.I. Virtanen Institute, University of Kuopio, FIN-70211 Kuopio, Finland; Gene Therapy Unit, Kuopio University Hospital, FIN-70211 Kuopio, Finland
3. Department of Neurosurgery, Kuopio University Hospital, FIN-70211 Kuopio, Finland
4. A.I. Virtanen Institute, University of Kuopio, FIN-70211 Kuopio, Finland
5. Department of Radiology, Kuopio University Hospital, FIN-70211 Kuopio, Finland
6. A.I. Virtanen Institute, University of Kuopio, FIN-70211 Kuopio, Finland; Department of Pathology, Kuopio University Hospital, FIN-70211 Kuopio, Finland
7. Department of Pathology, Kuopio University Hospital, FIN-70211 Kuopio, Finland
8. Gene Therapy Unit, Kuopio University Hospital, FIN-70211 Kuopio, Finland
9. Department of Neurosurgery, Kuopio University Hospital, FIN-70211 Kuopio, Finland; Department of Pathology, Kuopio University Hospital, FIN-70211 Kuopio, Finland