[1] Padua Univ Hosp, Dept Surg Oncol & Gastroenterol, Multivisceral Transplantat & Gastroenterol Unit, I-35128 Padua, Italy
[2] Padua Univ Hosp, Dept Med, Inst Pathol Anat, I-35128 Padua, Italy
[3] Padua Univ Hosp, Microbiol Unit, Dept Mol Med, I-35128 Padua, Italy
[4] Padua Univ Hosp, Hepatobiliary Surg & Liver Transplantat Unit, Dept Surg Oncol & Gastroenterol, I-35128 Padua, Italy