1. Division of NeonatologyCareggi University Hospital of FlorenceFlorence Italy
2. Department of Pediatric Emergency Medicine and Trauma CenterMeyer University Children's HospitalFlorence Italy
3. Neonatal Intensive Care UnitAzienda Ospedaliera Universitaria Integrata di VeronaVerona Italy
4. Department of Neurosciences, Psychology, Drug Research and Child HealthUniversity of FlorenceFlorence Italy