^○Hiroyuki Kato¹, Masashi Kishiwada¹, Aoi Hayasaki¹, Takehiro Fujii¹, Yusuke Iizawa¹, Akihiro Tanemura¹, Yasuhiro Murata¹, Yoshinori Azumi¹, Naohisa Kuriyama¹, Shugo Mizuno¹, Masanobu Usui¹, Hiroyuki Sakurai¹, Tooru Ogura², Shuji Isaji¹ (1.Department of Hepatobiliary Pancreatic and Transplant Surgery, 2.Clinical Research Center, Mie University Hospital)

^○Koichi Kozaki, Naoki Adachi, Kenji Yuzawa, Akiho Okada, Nahoko Ohtani, Tohru Terashima (Department of Surgery, NHO Mito Medical Center, Ibaraki, Japan)

^○Mitsuaki Watanabe, Naohiro Hosomura, Hidetake Amemiya, Hiromichi Kawaida, Hiroshi Kono, Daisuke Ichikawa (The First Department of Surgery, University of Yamanashi, Yamanashi, Japan)

^○Soichiro Mori, Daisaku Yamada, Hidetoshi Eguchi, Hideo Tomihara, Yoshifumi Iwagami, Tadafumi Asaoka, Takehiro Noda, Koichi Kawamoto, Kunihito Gotoh, Syogo Kobayashi, Masaki Mori, Yuichiro Doki (Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University)

^○Satoshi Okumura, Masao Ogawa, Sho Toyoda, Naoto Mizumura, Ken Yuu, Masayasu Kawasaki (Department of Surgery, Bellland General Hospital, Osaka, Japan)

^○Keiichi Yazawa¹, Fumio Nakamura², Sho Sato¹, Yukihiko Hiroshima¹, Ryutaro Mori¹, Ikuma Kato³, Yoshio Goshima², Itaru Endo¹ (1.Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan, 2.Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan, 3.Department of Molecular pathology, Yokohama City University Graduate School of Medicine, Yokohama, Japan)