[1] Sapienza Univ Rome, Dept Translat & Precis Med, Rome, Italy
[2] Nuovo Regina Margherita Hosp, Gastroenterol Unit, Rome, Italy
[3] Sapienza Univ Rome, Dept Med Surg Sci & Biotechnol, Rome, Italy
[4] Univ Rome Foro Italico, Div Hlth Sci, Dept Movement Human & Hlth Sci, Rome, Italy
[5] Azienda Osped Univ Padova, Dept Mol Med, Padua, Italy
[6] DISCOG, Dept Surg Oncol & Gastroenterol, Hepatobiliary Surg & Liver Transplantat Unit, Padua, Italy
[7] Fdn Pascale, IRCCS, Ist Nazl Tumori, Div Radiol, Naples, Italy
[8] ASST Niguarda, Digest Endoscopy Unit, Milan, Italy
[9] AMMF Cholangiocarcinoma Char, London, England
[10] Univ Cattolica Sacro Cuore, Fdn Policlin Univ A Gemelli IRCCS, Unit Hepatobiliary Surg, Rome, Italy
[11] Univ Verona, GB Rossi Univ Hosp, Dept Surg, Div Gen & Hepatobiliary Surg, Verona, Italy
[12] Univ Campus Biomed, Dept Med Oncol, Rome, Italy
[13] Univ Politecn Marche, Dept Gastroenterol & Hepatol, Ancona, Italy
[14] IRCCS Regina Elena Natl Canc Inst, Dept Surg, Div Hepatopancreatobiliary Surg, Rome, Italy
[15] Univ Padua, Dept Med DIMED, Padua, Italy
[16] Sapienza Univ Rome, Dept Med Surg Sci & Translat Med, Rome, Italy
[17] Santa Maria Goretti Hosp, Gastroenterol Unit, Latina, Italy
[18] DISCOG, Multivisceral Transplant Unit, Padua, Italy
[19] DISCOG, Dept Surg Oncol & Gastroenterol, Gastroenterol, Padua, Italy
[20] Fdn Pascale, IRCCS, Ist Nazl Tumori, Div Hepatobiliary Surg, Naples, Italy
[21] Fdn Pascale, IRCCS, Ist Nazl Tumori, Div Abdominal Oncol, Naples, Italy
[22] Univ Basque Country UPV EHU, Dept Liver & Gastrointestinal Dis, Biodonostia Res Inst, Donostia Univ Hosp, San Sebastian, Spain
[23] Sapienza Univ Rome, Dept Surg, Hepatobiliopancreat & Liver Transplant Unit, Rome, Italy
[24] Sapienza Univ Rome, Dept Radiol Oncol & Anatomopathol Sci, Rome, Italy
[25] Sapienza Univ Rome, Dept Radiol Oncol & Pathol Sci, Rome, Italy
[26] AORN St Anna & San Sebastiano, UOC Gastroenterol & Endoscopia Digest, Caserta, Italy