1. Clinical Neuroscience Institute, Kings College London, London, United Kingdom
2. Regional Pharmacovigilance Centre of Catania, Unit of Pharmacology – A.O.U. Policlinico – Vittorio Emanuele, Catania, Italy
3. Neonatal Intensive Care Unit, Hospital "G. Martino", University of Messina, Messina, Italy
4. Unit of Pediatrics and Pediatrics Emergency, Hospital "Policlinico-Vittorio Emanuele", Catania, Italy
5. Unit of Bronchopneumology and Cystic Fibrosis, Hospital "Policlinico-Vittorio Emanuele", Catania, Italy
6. Unit of Pediatrics and Neonatology - Hospital Umberto I, Siracusa, Italy
7. Units of Pediatrics and Neonatology, ASP of Palermo, Palermo, Italy
8. Unit of Rare Diseases of the Nervous System in Childhood, Department of Clinical and Experimental Sciences, Section of Pediatrics and Child Neuropsychiatry, University of Catania, Catania, Italy
9. Section of Pharmacology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy