1. Department of Neurosurgery, Ludwig-Maximilians-University , Munich , Germany
2. German Cancer Consortium (DKTK) , Partner Site Munich , Germany
3. Department of Neurosurgery, McGovern Medical School at UT Health Houston , Houston, Texas , USA
4. Department of Neurosurgery & Division of Neuro-Oncology, University of San Francisco , San Francisco, California , USA
5. Department of Neurosurgery, University of Cologne , Cologne , Germany
6. Department of Neurosurgery, University of Freiburg , Freiburg , Germany
7. Division of Neuro-Oncology, Department of Oncology and Hemato-Oncology, University of Milan , Milan , Italy
8. Department of Neuro-Oncology, Moffitt Cancer Center , Tampa, Florida , USA
9. Division of Neuro-Oncology, Department of Neuroscience, University of Turin , Turin , Italy
10. Department of Diagnostic and Interventional Imaging, McGovern Medical School at UTHealth Houston , Houston, Texas , USA
11. Department of Neurology, University Hospital and University of Zurich , Zurich , Switzerland
12. Department of Neurology, Erasmus MC Cancer Institute , Rotterdam , The Netherlands
13. Klinikum Fulda, Academic Hospital of Marburg University , Fulda , Germany