1. Department of Neurology; University Hospital Zurich; and Neuroscience Center Zurich Zurich Switzerland
2. Department of Neuropathology; University of Düsseldorf; Düsseldorf Germany, and German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
3. Institute for Medical Informatics; Statistics and Epidemiology, University of Leipzig; Leipzig Germany
4. Institute of Neuropathology; University of Bonn; Bonn Germany
5. Department of Neurosurgery; University of Bonn; Bonn Germany
6. Department of Neurosurgery; University of Hamburg; Hamburg Germany
7. Department of Neurosurgery; Technical University of Dresden; Dresden Germany
8. Department of Neurosurgery; Ludwig-Maximilians-University; Munich Germany
9. Department of Neuropathology; Institute of Pathology, University of Heidelberg; Heidelberg Germany
10. Celldex Therapeutics; Needham MA, USA
11. Departments of Neurology Pediatrics and Neurological Surgery USCF; San Francisco CA, USA