1. Faculty of Medicine, Department of Ophthalmology, Kırıkkale University, Kırıkkale, Turkey
2. Faculty of Medicine, Department of Dermatovenereology, Kırıkkale University, Kırıkkale, Turkey
3. Vocational High School of Health Services, Department of Medical Services and Techniques, Kırıkkale University, Kırıkkale, Turkey