1. Section of Clinical Neuropharmacology of the Department of Neurosurgery; University of Freiburg; Freiburg Germany
2. Neurochemical Research Group; Department of Neurology; University of Lübeck; Lübeck Germany
3. Freiburg Institute for Advanced Studies (FRIAS); University of Freiburg; Freiburg Germany
4. Department of Medicine I; Medical Center - University of Freiburg; Freiburg Germany
5. Section of Neuroelectronic Systems of the Department of Neurosurgery; University of Freiburg; Freiburg Germany
6. Department of Neurosurgery; ZU Brussels; Belgium