1. Department of Ophthalmology; University of Padova; Padova Italy
2. University of Verona; Verona Italy
3. Ophthalmology Unit; Department of Neurological, Neuropsychological, Morphological and Movement Sciences; University of Verona; Verona Italy
4. Department of Pediatrics; Section of Newborn Intensive Care Unit; University Hospital of Verona; Verona Italy
5. Department of Medical and Biological Sciences- Ophthalmology; University of Udine; Udine Italy
6. Department of Pediatrics- Neonatology; University of Udine; Udine Italy
7. Department of Woman's and Child's Health; University of Padova; Padova Italy