1. Department of Neurology, University of Göttingen Medical School, 37075 Göttingen, Germany
2. Department of Neurology, University Hospital Giessen, 35392 Giessen, Germany
3. Center for Mind, Brain and Behavior (CMBB), University of Marburg and Justus Liebig University Giessen, 35032 Marburg, Germany
4. Department of Anatomy and Cell Biology, Medical University of Varna, 9002 Varna, Bulgaria
5. Research Institute for Health Sciences and Technologies (SABITA), Medipol University Istanbul, 34810 Istanbul, Turkey