[1] Shimonoseki City Hosp, Dept Surg, Shimonoseki, Yamaguchi, Japan
[2] Harvard Med Sch, Massachusetts Gen Hosp, Pancreas & Biliary Surg Program, Boston, MA USA
[3] Komagome Metropolitan Hosp, Dept Gastroenterol, Tokyo, Japan
[4] Seoul Natl Univ, Coll Med, Dept Surg, Div Hepatobiliary Pancreat Surg, Seoul, South Korea
[5] Hop Beaujon, Serv Gastroenterol Pancreatol, Pole Malad Appareil Digestif, Clichy, France
[6] Kyushu Univ, Grad Sch Med Sci, Dept Surg & Oncol, Fukuoka, Japan
[7] Univ Verona Hosp Trust, Pancreas Inst, Dept Gen & Pancreat Surg, Verona, Italy
[8] Aichi Canc Ctr, Dept Gastroenterol Surg, Nagoya, Aichi, Japan
[9] Univ Tokyo, Grad Sch Med, Dept Gastroenterol, Tokyo, Japan
[10] Johns Hopkins Univ, Cameron Div Surg Oncol, Baltimore, MD USA
[11] Johns Hopkins Univ, Sol Goldman Pancreat Canc Res Ctr, Dept Surg, Baltimore, MD USA