1. Department of Neurology, Turgut Ozal University Faculty of Medicine, Malatya 44090, Turkey
2. Department of Neurology, Inonu University Faculty of Medicine, Malatya 44210, Turkey
3. Department of Neurology, Siirt Education and Research Hospital, Siirt 56000, Turkey
4. Department of Neurology, Mehmet Akif Inan Education and Research Hospital, Sanliurfa 63330, Turkey
5. Department of Neurology, University of Health Sciences, Gazi Yasargil Education and Research Hospital, Diyarbakir 21070, Turkey