1Department of Radiation Oncology, Klinikum rechts der Isar, Technical University of Munich (TUM), Munich, Germany
2German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany
3German cancer Research Center (DKFZ), Heidelberg, Germany
4Institute of Radiation Medicine (IRM), Helmholtz Zentrum, Munich, Germany
5Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, USA
6Department of Radiation Oncology, University of Washington School of Medicine, Seattle, USA
7Department of Neurosurgery, Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität Zu Berlin and Berlin Institute of Health, Berlin, Germany
8Department of Radiation Oncology, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
9Berlin Institute of Health, Berlin, Germany
10Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, Canada
11Department of Neurosurgery, University Hospital Mainz, Mainz, Germany
12Department of Neurosurgery, Klinikum rechts der Isar, Technical University of Munich (TUM), Munich, Germany