1. Institute of Clinical Radiology, University of Münster, Münster, North Rhine-Westphalia, Germany
2. Institute of Neuropathology, University Hospital Münster, Münster, North Rhine-Westphalia, Germany
3. Institute of Neuropathology, Otto-von-Guericke University, Magdeburg, Saxony-Anhalt, Germany
4. Department of Neurosurgery, University Hospital Münster, Münster, North Rhine-Westphalia, Germany
5. Institute of Biostatistics and Clinical Research, University of Münster, Münster, North Rhine-Westphalia, Germany