1. Pediatrics Postgraduate Residency Program, University of Catania, Catania, Italy
2. Department of Medical and Surgical Sciences and Advanced Technologies, Research Center for Surgery of Complex Malformation Syndromes of Transition and Adulthood, University of Catania, Catania, Italy
3. Department of Biomedical and Biotechnological Sciences, Rehabilitation Unit, University of Catania, Catania, Italy
4. Chair of Radiology, Department of Medicine and Surgery, Kore Universisty, Enna, Italy
5. Unit of Pediatrics, Carpi Hospital, Carpi, Italy
6. Department of Clinical and Experimental Medicine, Unit of Clinical Pediatrics, University of Catania, Catania, Italy
7. Chair of Pediatrics, Department of Educational Sciences, University of Catania, Catania, Italy