1. Laboratory of Experimental Neuro-Oncology, Center of Brain, Behavior and Metabolism, University Lübeck, Marie-Curie Strasse 66, D-23562 Lübeck, Germany
2. Department of Neurosurgery, University Clinic Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, D-23538 Lübeck, Germany