1. Department of Human Genetics; Hannover Medical School; Hannover Germany
2. Institute for Medical Informatics; Statistics and Epidemiology; University of Leipzig; Leipzig Germany
3. Department of Neurosurgery; University Hospital Hamburg-Eppendorf; Hamburg Germany
4. Department of Neurosurgery; Technical University Dresden; Dresden Germany
5. Department of Neurosurgery; Heinrich Heine University; Düsseldorf Germany
6. Division of Molecular Genetics; German Cancer Research Center (DKFZ); Heidelberg Germany
7. Department of Neuropathology; University of Bonn Medical School; Bonn Germany
8. Department of Neuropathology; Heinrich Heine University, Düsseldorf, and German Cancer Consortium (DKTK); DKTK partner site Essen/Düsseldorf Germany
9. Department of Neurology; University Hospital Zurich; Zurich Switzerland