1. Department of Ophthalmology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
2. Department of Pediatrics, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
3. Department of Ophthalmology, ‘Victor Babes’ University of Medicine and Pharmacy, 300041 Timisoara, Romania