1. Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
2. Pediatrics Clinic, ASST-Spedali Civili of Brescia, Brescia, Italy
3. Faculty of Medicine and Surgery, University of Messina, Messina, Italy
4. Neonatal and Pediatric Intensive Care Unit, Department of Human Pathology in Adult and Developmental Age Gaetano Barresi, University of Messina, Messina, Italy
5. Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
6. Pediatric Clinic, Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila (AQ), Italy
7. Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
8. Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, United Kingdom