1. Department of Ophthalmology, ROP Screening, Treatment and Training Center, Zeynep Kamil Maternity and Children’s Disease Training and Research Hospital, Istanbul, Turkey
2. Department of Ophthalmology, Istanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine, Istanbul, Turkey
3. Department of Pediatrics, Zeynep Kamil Maternity and Children’s Disease Training and Research Hospital, Istanbul, Turkey