1. Department of Ophthalmology, Ankara Ataturk Education and Research Hospital, Ankara, Turkey
2. Department of Ophthalmology, Ankara Numune Education and Research Hospital, Ankara, Turkey
3. Department of Ophthalmology, Keçiören Education and Research Hospital, Ankara, Turkey
4. Department of Rheumatology, Yıldırım Beyazıt University, Ankara Ataturk Education and Research Hospital, Ankara, Turkey