1. Department of Ophthalmology, Bagcilar Training and Research Hospital, Health Sciences University, Istanbul, Turkey.
2. Department of Ophthalmology, Medical Faculty, Inonu University, Malatya, Turkey.
3. Department of Ophthalmology, Beyoglu Eye Training and Research Hospital, Health Sciences University, Istanbul, Turkey.
4. Department of Microbiology, Bagcilar Training and Research Hospital, Health Sciences University, Istanbul, Turkey.