1. Department of Neurosurgery, Heidelberg University Hospital, 69120 Heidelberg, Germany
2. Institute of Medical Biometry, Heidelberg University, 69120 Heidelberg, Germany
3. Department of Neuroradiology, Heidelberg University Hospital, 69120 Heidelberg, Germany
4. Division of Neuropathology, Institute of Pathology, Heidelberg University Hospital, 69120 Heidelberg, Germany
5. German Cancer Consortium (DKTK), CCU Neuropathology, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany