1. Department of Ophthalmology, Ankara Yildirim Beyazit University, Ankara, Turkey
2. Ankara Ulucanlar Eye Research and Training Hospital, Ankara, Turkey
3. Department of Pathology, Yildirim Beyazit Research and Education Hospital, Ankara, Turkey
4. Department of Biochemistry, Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, Ankara, Turkey