1. Institute of Neuropathology; University Hospital Münster; Münster Germany
2. Department of Neurosurgery; Klinikum Kempten; Kempten Germany
3. Division of Pediatric Neurooncology; German Cancer Research Center (DKFZ); Heidelberg Germany
4. German Cancer Consortium (DKTK); Core Center Heidelberg; Heidelberg Germany
5. Department of Paediatric Oncology and Haematology; University Hospital Heidelberg; Heidelberg Germany
6. Institute of Human Genetics; University Ulm and University of Ulm Medical Center; Ulm Germany
7. Department of Paediatric Haematology and Oncology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
8. Department of Neuropathology; University Hospital Heidelberg; Heidelberg Germany
9. Clinical Cooperation Unit Neuropathology; German Research Center (DKFZ); Heidelberg Germany