1. Unit of Radiology, Department of Human Pathology in Adulthood and Childhood “G. Barresi,” University Hospital of Messina, Messina, Italy
2. Unit of Pediatric Emergency, Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi,” University of Messina, Messina, Italy
3. ASST-Spedali Civili of Brescia, Pediatrics Clinic, Brescia, Italy
4. Orthopaedic and Traumatology Department, “S. Anna” Hospital, University of Ferrara, Ferrara, Italy
5. Department of Pediatrics, Cinquefrondi, Reggio Calabria, Italy
6. Department of Pediatrics, University of L'Aquila, L'Aquila, Italy
7. Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, United Kingdom