1. Department of Laboratory Medicine, Medical Genetics, Niguarda Ca’ Granda Hospital, Milan, Italy
2. Pediatric Ophthalmology, Niguarda Ca’ Granda Hospital, Milan, Italy
3. Department of Laboratory Medicine, Pathology and Cytogenetics, Niguarda Ca’ Granda Hospital, Milan, Italy
4. Institute of Genetics, Azienda Ospedaliero-Universitaria Udine, Udine, Italy