1. Department of Neurosurgery; Philipps University Marburg, Baldingerstr; Marburg, 35033 Germany
2. Department of Anesthesiology; Intensive Care, and Pain Medicine, University of Münster, Albert-Schweitzer Campus 1; Münster 48149 Germany
3. Department of Pathology; Philipps University Marburg, Baldingerstr; Marburg 35033 Germany
4. Department of Neuropathology; Philipps University Marburg, Baldingerstr; Marburg 35033 Germany
5. King's College London, Institute of Pharmaceutical Science, 150 Stamford Street; London SE1 9NH United Kingdom
6. Institute for Pharmacological Research, Aachen University; Aachen Germany
7. MIT Department of Biological Engineering; Cambridge MA