[1] Univ Milan, Fdn IRCCS CaGranda Osped Maggiore Policlin Milano, Dept Gen & Minimally Invas Surg, Via Francesco Sforza 35, I-20121 Milan, Italy
[2] Res Inst Digest Canc IRCAD, Strasbourg, France
[3] Papageorgiou Gen Hosp, Dept Surg, Thessaloniki, Greece
[4] Univ Torino, Dept Surg Sci, Turin, Italy
[5] Geneva Univ Hosp, Dept Surg, Geneva, Switzerland
[6] Maastricht Univ, Dept Surg, Med Ctr, Maastricht, Netherlands
[7] Hadassah Hebrew Univ, Dept Gen Surg, Med Ctr, Jerusalem, Israel
[8] Elisabeth Hosp, Niels Stensen Kliniken, Thuine, Germany
[9] UCL, Wellcome EPSRC Ctr Intervent & Surg Sci WEISS, London, England
[10] UCL, Div Surg & Intervent Sci, London, England
[11] IHU Strasbourg, Res Inst Canc Digest Syst, Inst Image Guided Surg & IRCAD, Strasbourg, France
[12] Yeovil Dist Hosp NHS Fdn Trust, Dept Gen Surg, Yeovil, England
[13] Sapienza Univ Rome, Fac Med & Psychol, Dept Med Surg Sci & Translat Med, Rome, Italy
[14] Univ Turin, Dept Surg Sci, Div Urol, AOU Citta Salute & Sci Torino, Turin, Italy
[15] Heidelberg Univ Hosp, Dept Gen Visceral & Transplantat Surg, Heidelberg, Germany
[16] Univ Amsterdam, Dept Surg, Amsterdam UMC, Amsterdam, Netherlands
[17] Hebrew Univ Jerusalem, Fac Med, Jerusalem, Israel
[18] Univ Seville, Univ Hosp Virgen Rocio, Dept Gen Surg, Unit Innovat Minimally Invas Surg, Seville, Spain
[19] Osaka Univ, Dept Gastroenterol Surg, Grad Sch Med, Osaka, Japan
[20] Policlin Abano Terme, UOC Chirurg Gen, Abano Terme, PD, Italy
[21] Osped San Raffaele, Dept Gastrointestinal Surg, Milan, Italy
[22] Univ Amsterdam, Amsterdam UMC, Dept Surg, Amsterdam, Netherlands
[23] Amsterdam UMC, Amsterdam Gastroenterol & Metab, Amsterdam, Netherlands
[24] Amsterdam UMC, Amsterdam Publ Hlth, Digital Hlth, Amsterdam, Netherlands
[25] ASST Spedali Civili Brescia PO Montichiari, Osped Montichiari, UOC Chirurg Gen, Montichiari, Italy