1. Department of Neurology Medical University Plovdiv Plovdiv Bulgaria
2. Research Institute Medical University Plovdiv Plovdiv Bulgaria
3. Translational Neuroscience Complex Medical University of Plovdiv Plovdiv Bulgaria
4. Department of Imaging Diagnostics Medical University of Sofia Sofia Bulgaria
5. Department of Human Anatomy, Histology and Embryology Medical University of Plovdiv Plovdiv Bulgaria
6. Inselspital, University Hospital and University of Bern Bern Switzerland