1. Neonatal Intensive Care Unit and Neonatal Accompaniment Unit, Azienda Ospedaliero-Universitaria Policlinico “Rodolico-San Marco”, San Marco Hospital, University of Catania, Catania, Italy
2. Unit of Clinical Paediatrics, Azienda Ospedaliero-Universitaria Policlinico, “Rodolico-San Marco”, San Marco Hospital, Catania, Italy
3. Neonatal Intensive Care Unit and Neonatal Accompaniment Unit, Azienda Ospedaliero-Universitaria Policlinico “Rodolico-San Marco”, Postgraduate Training Program in Pediatrics, University of Catania, Catania, Italy
4. Child Neuropsychiatry Unit, Human Neuroscience Department, Sapienza University of Rome, Italy
5. Unit of Clinical Pediatrics, Department of Clinical and Experimental Medicine, University of Catania, AOU “Policlinico”, PO “G. Rodolico”, Catania, Italy