[1] Sapienza Univ Rome, Dept Med & Med Specialties, Rome, Italy
[2] Univ Rome Foro Italico, Div Hlth Sci, Dept Movement Human & Hlth Sci, Rome, Italy
[3] Sapienza Univ Rome, Dept Med Surg Sci & Biotechnol, Rome, Italy
[4] Sapienza Univ Rome, Dept Expt Med, Rome, Italy
[5] Regina Elena Inst Canc Res, Gastroenterol Unit, Rome, Italy
[6] Univ Cattolica Sacro Cuore, Sch Med, Surg Hepatobiliary Unit, Rome, Italy
[7] Sapienza Univ Rome, Dept Gen Surg & Organ Transplantat, Rome, Italy
[8] Sapienza Univ Rome, Dept Anat Histol Forens Med & Orthoped Sci, Rome, Italy
[9] Sapienza Univ Rome, Dept Anat Histol Forens Med & Orthoped Sci, Div Human Anat, Rome, Italy