1. Department of Neurology, Yeni Yüzyıl University, School of Medicine, Istanbul, Turkey
2. Neurology Clinic, Neuropark Nişantaşı, İstanbul, Turkey
3. Department of Electroneurophysiology, Doğuş University, Advanced Vocational School, Istanbul, Turkey
4. Department of Neurology, Istanbul University-Cerrahpaşa, School of Medicine, Istanbul, Turkey