1. Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy;
2. Department of Medical and Surgical Sciences and Advanced Technologies “G. F. Ingrassia”, University of Catania, Catania, Italy;
3. Human Anatomy and Histology, Department of Biomedical and Biotechnology Sciences, University of Catania, Catania, Italy;
4. Clinical Pathology Unit, “Garibaldi Centro” University Hospital of Catania, Catania, Italy;
5. Radiology Unit, “Policlinico G. Rodolico” University Hospital of Catania, Catania, Italy;
6. Radiology Unit, “Maria SS. Addolorata” Hospital of Biancavilla, ASP Catania, Biancavilla, Italy;
7. Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy;
8. Department of Anatomy, School of Medicine, University of Malta, Msida, Malta