1. Neonatal Intensive Care Unit, Azienda Ospedaliero Universitaria Policlinico “G. Rodolico-San Marco”, San Marco Hospital, University of Catania, Catania, Italy
2. Pediatrics and Pediatric Emergency Operative Unit, Azienda Ospedaliero Universitaria Policlinico “G. Rodolico-San Marco”, San Marco Hospital, University of Catania, Catania, Italy
3. Child Neuropsychiatry Unit, Human Neuroscience Department, Sapienza University of Rome, Italy
4. Unit of Clinical Pediatrics, Department of Clinical and Experimental Medicine, AOU Policlinico “G. Rodolico-San Marco”, University of Catania, Catania, Italy