^○Sumita Khoju Shrestha (Department of GI and General Surgery, TUTH)

^○Takuya Minagawa, Teiichi Sugiura, Yukiyasu Okamura, Takaaki Ito, Yusuke Yamamoto, Ryo Ashida, Katsuhisa Ohgi, Mihoko Yamada, Nobuyuki Watanabe, Shusei Sano, Katsuhiko Uesaka (Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Center, Shizuoka, Japan)

^○Masato Tamiya, Manabu Kawai, Seiko Hirono, Ken-ichi Okada, Motoki Miyazawa, Atsushi Shimizu, Yuji Kitahata, Masaki Ueno, Shinya Hayami, Atsushi Miyamoto, Ryohei Kobayashi, Norihiko Suzaki, Hiroki Yamaue (Second Department of Surgery, Wakayama Medical University, Wakayama, Japan)

^○Wataru Shoji, Kazunori Nakamura, Tomohiro Mizutani, Sho Mineta, Naoyuki Toyota, Go Wakabayashi (Department of Surgery, Ageo Central General Hospital, Saitama, Japan)

^○Wataru Koizumi¹, Minoru Kitago¹, Go Oshima¹, Kiminori Takano¹, Yuta Abe¹, Hiroshi Yagi¹, Taizo Hibi², Masahiro Shinoda¹, Osamu Itano³ (1.Department of Surgery, Keio University, Tokyo, Japan, 2.Kumamoto University, Transplantation/Pediatric Surgery, Kumamoto University, Kumamoto, Japan, 3.Surgery, International University of Health and Welfare, Narita, Japan)