1. Anatomic Pathology Section, Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia,” Hospital Policlinico, University of Catania, Catania, Italy
2. Section of Pediatric Hematology and Oncology Unit, Department of Clinical and Experimental Medicine, Hospital Policlinico, University of Catania, Italy
3. Unit of Radiology, Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia,” Hospital Policlinico, University of Catania, Catania, Italy
4. Section of Pediatrics and Child Neuropsychiatry, Department of Clinical and Experimental Medicine, Hospital Policlinico, University of Catania, Catania, Italy