1. Department of Neuropathology; Ruprecht-Karls-University Heidelberg; Heidelberg Germany
2. Clinical Cooperation Unit Neuropathology; German Cancer Consortium (DKTK); German Cancer Research Center (DKFZ); Heidelberg Germany
3. Department of Neuropathology; Friedrich-Alexander University Erlangen-Nürnberg (FAU); Erlangen-Nürnberg Germany
4. Department of Neurosurgery; International Neuroscience Institute; Hannover Germany
5. Department of Neurosurgery; University Hospital Hamburg-Eppendorf; Hamburg Germany
6. Department of Neurosurgery; Friedrich-Alexander University Erlangen-Nürnberg (FAU); Erlangen-Nürnberg Germany
7. Department of Neurosurgery; Ruprecht-Karls-University Heidelberg; Heidelberg Germany