[1] IRCCS Humanitas Res Hosp, Dept Gastroenterol, Endoscop Unit, Via Manzoni 56, I-20089 Milan, Italy
[2] Humanitas Univ, Dept Biomed Sci, Via Manzoni 113, I-20089 Milan, Italy
[3] GB Rossi Univ Hosp, Pancreas Inst, Gastroenterol & Digest Endoscopy Unit, I-37134 Verona, Italy
[4] Humanitas Mater Domini, Div Gastroenterol, Digest Endoscopy Unit, I-21053 Castellanza, Italy
[5] Ist Oncol Veneto IOV IRCCS, Gastroenterol Unit, I-35128 Padua, Italy
[6] IRCCS Humanitas Res Hosp, Dept Pathol, Via Manzoni 56, I-20089 Milan, Italy
[7] IRCCS Humanitas Res Hosp, Pancreat Surg Unit, Via Manzoni 56, I-20089 Milan, Italy
[8] IRCCS Humanitas Res Hosp, Humanitas Canc Ctr, Med Oncol & Hematol Unit, Via Manzoni 56, I-20089 Milan, Italy
[9] San Paolo Hosp, Div Gastroenterol, Digest Endoscopy Unit, I-20090 Milan, Italy
[10] IRCCS Humanitas Res Hosp, Dept Radiol, Via Manzoni 56, I-20089 Milan, Italy
[11] Univ Foggia, Dept Surg & Med Sci, Gastroenterol Unit, I-71122 Foggia, Italy