1. Department of Ophthalmology, Gulhane Military Medical Academy Haydarpasa Training Hospital, Istanbul, Turkey
2. Department of Otorhinolaryngology, Diyarbakir Military Hospital, Diyarbakir, Turkey
3. Department of Ophthalmology, Anittepe Military Dispensary, Ankara, Turkey
4. Department of Ophthalmology, Kasimpasa Military Hospital, Istanbul, Turkey
5. Department of Ophthalmology, Girne Military Hospital, Girne, Northern Cyprus, Mersin 10, Turkey