1. Section of Radiological Sciences – Department of Biomedical Sciences and Morphological and Functional Imaging, University of Messina, Policlinico “G. Martino”, Messina, Italy
2. Section of Radiological Sciences – Department of Biomedical Sciences and Morphological and Functional Imaging, University of Messina, Policlinico "G. Martino", Messina, Italy
3. Clinical Unit for Chronic Bowel Disorders – Department of Clinical and Experimental Medicine, University of Messina, Policlinico "G. Martino", Messina, Italy