1. 2nd Neurological University Clinic, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece
2. Laboratory of Immunology, Department of Microbiology, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece
3. Department of Radiology, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece