1. Department of Neurosurgery and Spine Surgery, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
2. Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University of Duisburg-Essen, 45147 Essen, Germany
3. DKFZ-Division Translational Neurooncology at the WTZ, DKTK Partner Site, University Hospital Essen, 45147 Essen, Germany
4. West German Cancer Center (WTZ), University Hospital Essen, 45147 Essen, Germany
5. Department of Neurology, Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Division of Clinical Neurooncology, University Medicine Essen, University of Duisburg-Essen, 45147 Essen, Germany
6. German Cancer Consortium (DKTK), 69120 Heidelberg, Germany
7. German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
8. Center of Medical Biotechnology (ZMB), University of Duisburg-Essen, 45147 Essen, Germany