1. Neonatal Intensive Care Unit, Santo Bambino Hospital, University Hospital “Policlinico-Vittorio Emanuele”, Via Tindaro 2, 95124 Catania, Italy
2. Unit of Pediatrics and Pediatric Emergency, University Hospital “Policlinico-Vittorio Emanuele”, Via Plebiscito 628, 95124 Catania, Italy
3. Department of Pediatrics, AOU Policlinico-Vittorio Emanuele, University of Catania, Via S. Sofia 78, 95123 Catania, Italy
4. Department of Pediatrics, Azienda Ospedaliera di Rilievo Nazionale e di Alta Specializzazione Garibaldi, Catania, Italy
5. Unit of Rare Diseases of the Nervous System in Childhood, Department of Clinical and Experimental Medicine, Section of Pediatrics and Child Neuropsychiatry, University of Catania, 95124 Catania, Italy
6. Child Neuropsychiatry Unit, Medicine & Surgery Department, Neuroscience Division, University of Parma, Parma, Italy
7. Department of Maternal and Child Health, University of Palermo, Palermo, Italy