1. Division of Oncology Department of Medicine I Medical University of Vienna Vienna Austria
2. Division of Biostatistics German Cancer Research Center (DKFZ Heidelberg Germany
3. Institute of Neurology Medical University of Vienna Vienna Austria
4. Department of Biomedical Imaging and Image‐guided Therapy Medical University of Vienna Vienna Austria
5. Clinical Cooperation Unit Neuropathology German Cancer Consortium German Cancer Research Center Heidelberg Germany
6. Department of Neuropathology Institute of Pathology University Hospital Heidelberg Heidelberg Germany
7. Department of Neurosurgery Medical University of Vienna Vienna Austria