1. Department of Ophthalmology and Neuroscience, University of Bari “Aldo Moro,” Medical School; Azienda Ospedaliero Universitaria Consorziale Policlinico, Bari, Italy
2. Pediatric Infectious Diseases, Giovanni XXIII Children Hospital, Azienda Ospedaliero Universitaria Consorziale Policlinico, Bari, Italy.