1. Turkoglu Dr. Kemal Beyazit State Hospital Eye Clinic, Türkoğlu, Kahramanmaraş, İstanbul
2. Gaziosmanpaşa Hospital Ophthalmology Department, Yeni Yüzyıl University, Zeytinburnu, İstanbul
3. Faculty of Medicine, Ophthalmology Department, Van Yuzuncu Yil University, Tuşba, Van, Türkiye