1. Department of Neurology, Athens Naval Hospital, Athens, Greece
2. Department of Neurology, University Hospital of Alexandroupolis, Alexandroupolis, Greece
3. Department of Neurology, Laboratory of Neurogenetics, University Hospital of Larissa, Larissa, Greece
4. Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
5. 251 Hellenic Air Force Hospital, Athens, Greece