1. Pediatrics Postgraduate Residency Program, University of Messina, Messina, Italy
2. Pediatrics Postgraduate Residency Program, University of Catania, Catania, Italy
3. Rehabilitation Unit, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
4. Chair of Pediatrics, Department of Educational Sciences, University of Catania, Catania, Italy
5. Chair of Pediatrics, Department of Medicine and Surgery, Kore University, Enna, Italy
6. Institute for Biomedical Research and Innovation (IRIB), National Research Council (CNR), Unit of Catania, Catania, Italy
7. Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy