1. Division of Neonatology Careggi University Hospital of Florence Florence Italy
2. Department of Emergency Medicine and Trauma Center Meyer University Children's Hospital Florence Italy
3. Neonatal Intensive Care Unit Azienda Ospedaliera Universitaria Integrata di Verona Verona Italy
4. Division of Neonatology, Department of Translational Medical Sciences University Federico II Naples Italy
5. Neonatal Intensive Care Unit S Maria della Misericordia Hospital Udine Italy
6. Department of Pediatrics Sandro Pertini Hospital ASL RM2 Rome Italy
7. Department of Neurosciences Psychology Drug Research and Child Health Careggi University Hospital of Florence Florence Italy