1. Department of Ophthalmology, Cukurca State Hospital, Hakkari, Turkey
2. Department of Ophthalmology, Erciyes University School of Medicine, Kayseri, Turkey
3. Department of Ophthalmology, Acibadem Hospital, Kayseri, Turkey
4. Department of Medical Informatics and Biostatistics, Erciyes University School of Medicine, Kayseri, Turkey