1. Postgraduate Training Program in Genetics, Department of Biomedical and Biotechnological Sciences, Section of Genetics, University of Catania, Catania, Italy
2. Unit of Pediatrics and Pediatric Emergency, University Hospital “Policlinico Rodolico-San Marco,” Catania, Italy
3. Unit of Neonatal Intenstive Care and Neonatology, University Hospital “Policlinico Rodolico-San Marco,” Catania, Italy
4. Department of Clinical and Experimental Medicine, Section of Pediatrics and Child Neuropsychiatry, Unit of Rare Diseases of the Nervous System in Childhood, University of Catania, Catania, Italy
5. Unit of Pediatrics and Pediatric Emergency, Hospital “Cannizzaro,” Catania, Italy
6. Chair of Pediatrics, Department of Educational Sciences, University of Catania, Catania, Italy
7. Department of General Surgery and Medical-Surgical Specialty, University of Catania, Catania, Italy