1. 1Department of Radiation Oncology, Technical University of Munich (TUM), School of Medicine and Klinikum rechts der Isar, Munich, Germany
2. Department of Radiation Sciences (DRS), Institute of Radiation Medicine (IRM), Neuherberg, Germany
3. Deutsches Konsortium für Translationale Krebsforschung (DKTK), Partner Site Munich, Germany
4. Neurology Clinic, University of Heidelberg and German Cancer Research Center, Heidelberg, Germany
5. Fox Chase Cancer Center, Philadelphia, Pennsylvania, USA
6. Department of Radiation Oncology, Sunnybrook Health Science Centre, Odette Cancer Centre, University of Toronto, Toronto, Ontario, Canada
7. Department of Radiation Oncology, University of Washington School of Medicine, Seattle, Washington, USA
8. Department of Radiation Oncology, Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
9. Department of Radiation Oncology, Keck School of Medicine at University of Southern California, Los Angeles, California, USA
10. Department of Radiation Oncology, Princess Alexandra Hospital, University of Queensland, Woolloongabba, Queensland, Australia
11. Division of Neurology, Department of Medicine. Odette Cancer and Sunnybrook Health Science Centres, University of Toronto, Toronto, Ontario, Canada
12. Department of Neurosurgery, Technical University of Munich (TUM), School of Medicine and Klinikum rechts der Isar,Munich, Germany
13. Department of Neurosurgery, Charité Universitätsmedizin Berlin, Berlin, Germany
14. Center for Neuro-Oncology, Dana-Farber/Brigham and Women’s Cancer Center, Boston, Massachusetts, USA