[1] Kyushu Univ, Grad Sch Med Sci, Dept Surg & Oncol, Fukuoka 8128582, Japan
[2] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Pancreas & Biliary Surg Program, Boston, MA USA
[3] Emory Univ Hosp, Dept Anat Pathol, Atlanta, GA 30322 USA
[4] Mayo Clin, Div Gastroenterol & Hepatol, Pancreas Interest Grp, Rochester, MN USA
[5] Policlin GB Rossi, Dipartimento Chirurg, UO Chirurg B, Verona, Italy
[6] Seoul Natl Univ, Coll Med, Dept Surg, Div Hepatobiliary Pancreat Surg, Seoul, South Korea
[7] Yamagata Univ, Dept Surg 1, Yamagata 990, Japan
[8] Hop Beaujon, Serv Gastroenterol Pancreatol, Clichy, France
[9] Harvard Univ, Sch Med, Dept Pathol, Massachusetts Gen Hosp, Boston, MA 02115 USA
[10] Indiana Univ, Dept Surg, Indianapolis, IN 46204 USA
[11] Saitama Med Univ, Int Med Ctr, Dept Pathol, Saitama, Japan
[12] Johns Hopkins Univ, Dept Surg, Sol Goldman Pancreat Canc Res Ctr, Baltimore, MD USA
[13] Johns Hopkins Univ, Cameron Div Surg Oncol, Baltimore, MD USA
[14] Univ Occupat & Environm Hlth, Dept Surg 1, Fukuoka, Japan