1. Department of Neurology, University Hospital Odense and Clinical Institute, University of Southern Denmark, Odense, Denmark
2. Department of Neurology, University of Regensburg, Regensburg, Germany
3. Department of Neurosurgery, University Hospital Regensburg, Regensburg, Germany
4. Wilhelm Sander Neuro-Oncology Unit and Department of Neurology, University of Regensburg, Regensburg, Germany
5. Institute of Neuropathology, Brain Tumor Reference Center of the Society for Neuropathology and Neuroanatomy, University of Bonn Medical Center, Bonn, Germany
6. Division of Pediatric Neuro-oncology, German Cancer Research Center, Heidelberg, Germany
7. Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany
8. Department of Radiology, Neuroradiology, University Hospital Bonn, Bonn, Germany
9. Department of Radiotherapy and Radio-oncology, University Hospital Leipzig, Leipzig, Germany
10. Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands
11. Brain Tumor Center Amsterdam and Department of Neurology, VU University Medical Center and Academic Medical Center, Amsterdam, the Netherlands
12. Department of Neuroradiology, University Hospital Würzburg, Würzburg, Germany
13. Department of Neurosurgery, University Hospital, Lübeck, Germany
14. Department of Radiation Oncology, Medical School Hannover, Hannover, Germany
15. Department of Radiation Oncology, University Hospital Heidelberg, Heidelberg, Germany
16. Department of Radiation Oncology, Klinikum rechts der Isar, Technische Universität München (TUM), Munich, Germany
17. Division of Neuro-oncology, University of Bonn Medical Center, Bonn, Germany
18. Department of Neurology, University Hospital Mainz, Mainz, Germany
19. Department of Medical Oncology, University Hospital Ulm, Ulm, Germany
20. Department of Neurosurgery, Vivantes Klinikum am Friedrichshain, Berlin, Germany
21. Department of Neurosurgery, University Hospital Magdeburg, Magdeburg, Germany
22. Department of Neurosurgery, University Hospital Freiburg, Freiburg, Germany
23. Department of Neurology, Knappschaftskrankenhaus, University of Bochum, Bochum, Germany
24. Department of Neurosurgery, University Hospital Münster, Münster, Germany
25. Department of Radiation Oncology, Klinikum Stuttgart, Stuttgart, Germany
26. Department of Radiation Oncology, University Hospital Tübingen, Tübingen, Germany
27. Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
28. Department of Neurology, Universitätsspital Zurich, Zurich, Switzerland, and Department of Neurology, University Hospital Tübingen, Tübingen, Germany
29. Department of Neurology, University Hospital Heidelberg, and Neuro-oncology Program at the National Center for Tumor Diseases, Heidelberg, Germany