1. Department of Neurosurgery, University Medical Center Hamburg-Eppendorf , Hamburg , Germany
2. Department of Neuropathology, University Hospital Heidelberg , Heidelberg , Germany
3. Division of Neurosurgical Research, Department of Neurosurgery, University Hospital Heidelberg , Heidelberg , Germany
4. Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf , Hamburg , Germany
5. Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf , Hamburg , Germany
6. Bioinformatics Core, University Medical Center Hamburg-Eppendorf , Hamburg , Germany
7. Heinrich-Pette-Institut, Leibniz Institute for Experimental Virology , Hamburg , Germany
8. Institute of Neuropathology, University Medical Center Hamburg-Eppendorf , Hamburg , Germany