1. Department of Neurosurgery, Philipps University Marburg, Baldingerstrasse, D-35033 Marburg, Germany
2. Department of Diagnostic and Interventional Radiology, Philipps University Marburg, Baldingerstrasse, D-35033 Marburg, Germany
3. Department of Neuropathology, Philipps University Marburg, Baldingerstrasse, D-35033 Marburg, Germany
4. Center for Mind, Brain and Behavior, Marburg University, Hans-Meerwein-Straße 6, D-35032 MarburgGermany