[1] Miami Canc Inst, Div Hepatobiliary & Pancreas Surg, Miami, FL USA
[2] Univ Hosp Southampton NHS Fdn Trust, Dept Surg, Southampton, Hants, England
[3] Univ Amsterdam, Amsterdam UMC, Dept Surg, Amsterdam, Netherlands
[4] Osped San Raffaele, Dept Surg, Milan, Italy
[5] Virginia Mason Med Ctr, Div Hepatopancreatobiliary & Endocrine Surg, Seattle, WA 98101 USA
[6] Mem Sloan Kettering Canc Ctr, Dept Surg, 1275 York Ave, New York, NY 10021 USA
[7] Univ Hosp Verona, Div Pancreat Surg, Verona, Italy
[8] Linkoping Univ, Dept Surg, Linkoping, Sweden
[9] Linkoping Univ, Dept Clin & Expt Med, Linkoping, Sweden
[10] Univ Pisa, Div Gen & Transplant Surg, Pisa, Italy
[11] Beth Israel Deaconess Med Ctr, Dept Gen & Gastrointestinal Surg, Boston, MA 02215 USA
[12] Univ Colorado, Div Surg Oncol, Dept Surg, Denver, CO 80202 USA
[13] AC Camargo Canc Ctr, Dept Abdominal Surg, Sao Paulo, Brazil
[14] St Elizabeths Med Ctr, Dept Surg, Boston, MA USA
[15] Univ Southampton, Wessex Inst, Southampton, Hants, England
[16] Univ Agostino Gemelli, Gen Surg & Liver Transplant, Unit Dept Gen Surg, Fdn Policlin,IRCCS, Rome, Italy
[17] Univ Cyprus, Sch Med, Dept Surg, Nicosia, Cyprus
[18] Beaujon Hosp, Dept Surg, Paris, France
[19] Univ Oklahoma, Dept Surg, Oklahoma City, OK USA
[20] Univ Oslo, Intervent Ctr, Oslo, Norway
[21] Univ Oslo, Oslo Univ Hosp, Dept HPB Surg, Oslo, Norway
[22] Univ Oslo, Fac Med, Inst Clin Med, Oslo, Norway
[23] Univ Illinois, Div Minimally Invas Gen Surg & Robot Surg, Chicago, IL USA
[24] Seoul Natl Univ Hosp, Dept Surg, Seoul, South Korea
[25] Portland Providence Med Ctr, Dept Surg, Portland, OR USA
[26] Univ Texas Southwestern Med Ctr, Dept Surg, Dallas, TX USA
[27] NorthShore Univ Hlth Syst, Dept Surg, Evanston, IL USA
[28] Pontificia Univ Catolica Chile, Dept Digest Surg, Santiago, Chile
[29] Methodist Richardson Med Ctr, Dept HPB Surg, Richardson, TX USA
[30] Univ Schleswig Holstein Campus Lubeck, Surg Clin, Lubeck, Germany
[31] Ulsan Univ, Coll Med, Dept Surg, Seoul, South Korea
[32] Asan Med Ctr, Seoul, South Korea
[33] Moscow Clin Sci Ctr, Dept Surg, Moscow, Russia
[34] Natl Ctr Global Hlth & Med, Dept Surg, Tokyo, Japan
[35] Emory Univ, Dept Surg, Winship Canc Inst, Atlanta, GA 30322 USA
[36] Emory Univ, Dept Surg, Winship Canc Inst, Atlanta, GA 30322 USA