1. Department of Neurology Afyonkarahisar University of Health Sciences Afyon Turkey
2. Department of Neurology and Clinical Neurophysiology Cerrahpaşa Faculty of Medicine Istanbul University Cerrahpaşa Istanbul Turkey
3. Department of Public Health Istanbul Medeniyet University Istanbul Turkey
4. Department of Neurology University of Health Sciences Dr. Lütfi Kırdar Kartal Training and Research Hospital Istanbul Turkey
5. Department of Neurology Gümüşhane State Hospital Gümüşhane Turkey