1. Gastroenterology Department of Clinical Medicine; Sapienza University of Rome; Rome Italy
2. Department of Anatomy, Histology, Forensic Medicine and Orthopedics -Unit of Histology and Medical Embryology; Sapienza University of Rome; Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti Rome; Italy
3. Department of Mechanical and Aerospace Engineering; Sapienza University of Rome; Rome Italy
4. Department of Anatomy, Histology, Forensic Medicine and Orthopedics; Sapienza University of Rome; Rome Italy
5. Department of Clinical and Experimental Medicine; Federico II University of Naples; Naples Italy