1. Department of Neurology, Yozgat City Hospital, Yozgat, Turkey
2. Department of Radiology, Bozok University Medical School, Yozgat, Turkey
3. Department of Neurology, Hitit University-Corum Erol Olcok Training and Research Hospital, Corum, Turkey
4. Department of Neurology, Kayseri City Hospital, Kayseri, Turkey