1. Clinic of Anesthesiology, University of Heidelberg Medical School, Heidelberg, Germany
2. Department of Pathology, University of Heidelberg, Heidelberg, Germany
3. Department of Neuropathology, University of Heidelberg, Heidelberg, Germany
4. Paul-Flechsig Institute for Brain Research; Neurochemistry, University of Leipzig, Germany
5. Department of Pharmacology and Croatian Institute for Brain Research, School of Medicine, University of Zagreb, Zagreb, Croatia
6. Clinical Neurochemistry, National Parkinson Foundation Centre of Excellence Research Laboratory, Clinic and Policlinic for Psychiatry, Psychosomatic and Psychotherapy, University Hospital of Wuerzburg, Germany