1. Department of Radiation Oncology, Technische Universität München (TUM), Munich, Germany;
2. Institute of Radiation Medicine (IRM), Helmholtz Zentrum München, Oberschleißheim, Germany;
3. Deutsches Konsortium für Translationale Krebsforschung (DKTK), Partner Site, Munich, Germany;
4. Department of Neurosurgery, Technische Universität München (TUM), Munich, Germany;
5. Department of Diagnostic and Interventional Neuroradiology, Technische Universität München (TUM), Munich, Germany