1. Department of Neurology, Bursa Yüksek Ihtisas Education and Research Hospital, Bursa, Turkey,
2. Department of Ophthalmology, Adiyaman University, Adiyaman, Turkey,
3. Department of Ophthalmology, Bulent Ecevit University, Zonguldak, Turkey,
4. Department of Ophthalmology, Medeniyet University, Istanbul, Turkey,