1. Department of Ophthalmology, Keçiören Training and Research Hospital, Ankara, Turkey
2. Department of Ophthalmology, Hacettepe University Faculty of Medicine, Ankara, Turkey
3. Department of Ophthalmology, Yıldırım Beyazıt University Faculty of Medicine, Ankara Atatürk Training and Research Hospital, Ankara, Turkey
4. Department of Pathology, Ankara Training and Research Hospital, Ankara, Turkey