1. Department of Neurology, Dr. Lütfi Kırdar Kartal Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
2. Department of Neurology, Sultanbeyli State Hospital, Istanbul, Turkey
3. Department of Neurology, Süreyyapaşa Chest Diseases and Thoracic Surgery Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
4. Department of Neurology, Maltepe State Hospital, Istanbul, Turkey
5. Department of Neurology, Ağrı Patnos State Hospital, Ağrı, Turkey
6. Department of Public Health, Istanbul Medeniyet University, Istanbul, Turkey