[1] A Cardarelli Hosp, Dept Surg, Via A Cardarelli 9, I-80131 Naples, Italy
[2] Acad Appl Med & Social Sci AMiSNS, Dept Med, 2 Lotnicza St, PL-82300 Elblag, Poland
[3] St Wojciech Hosp, Nicolaus Copernicus Hlth Ctr, Dept Gen Surg & Surg Oncol, Jana Pawla II 50, PL-80462 Gdansk, Poland
[4] APSS, Dept Gen Surg, I-38121 Trento, Italy
[5] APSS, Hepatopancreatobiliary HPB Unit, I-38121 Trento, Italy
[6] King Faisal Specialist Hosp & Res Ctr, Ctr Excellence, Dept Organ Transplant, Riyadh 11564, Saudi Arabia
[7] Univ Hosp Leon, Dept Gen & Digest Surg, Upper GI Unit, Leon 24008, Spain
[8] Univ Campania Luigi Vanvitelli, Dept Adv Med & Surg Sci, I-80138 Naples, Italy
[9] IRCCS Ist Tumori Giovanni Paolo II, Dept Surg Oncol, I-70124 Bari, Italy
[10] Greater Poland Canc Ctr, Dept Gastrointestinal Surg Oncol, Garbary 15, PL-61866 Poznan, Poland
[11] AUSL IRCCS Reggio Emilia, Pelv Floor Ctr, Dept Surg, I-42122 Reggio Emilia, Italy