^○Norio Kubo¹, Kenichiro Araki¹, Kei Hagiwara¹, Takahiro Yamanaka¹, Norihiro Ishii¹, Takamichi Igarashi¹, Akira Watanabe¹, Norifumi Harimoto¹, Hiroyuki Kuwano², Ken Shirabe¹ (1.Department of Hepatobiliary and Pancreatic Surgery, Gunma University, Graduate School of Medicine, Maebashi, Japan, 2.Department of General Surgical Science, Gunma University, Graduate School of Medicine, Maebashi, Japan)

^○Tetsuya Shimizu, Nobuhiko Taniai, Masato Yoshioka, Youichi Kawano, Ryouta Kondo, Youhei Kaneya, Yuto Aoki, Tomohiro Kanda, Yoshihiro Mamada, Hiroshi Yoshida (Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School)

^○Hirohide Inoue¹, Naoto Yamamoto¹, Hirokazu Yotsumoto¹, Mariko Kamiya¹, Masaaki Murakawa², Takashi Oshima², Norio Yukawa², Yasushi Rino², Munetaka Masuda², Soichiro Morinaga¹ (1.Department of gastroenterological Surgery, Kanagawa Cancer Center, Yokohama, Japan, 2.Department of Surgery, Yokohama City University, Yokohama, Japan)

^○Yoshihisa Umemoto, Akira Mori, Yuki Mochida, Yusuke Fujii, Akio Nakajima, Akira Arimoto (Osaka red cross Hospital, Osaka, Japan)

^○Xu-Guang Hu, In-Gyu Kim, Sung Yeon Hong, Xue-Yin Shen, Bong-Wan Kim, Hee-Jung Wang (Division of Liver Transplantation and Hepatobiliary Surgery, Department of Surgery, Ajou University School of Medicine)

^○Xu-Guang Hu, In-Gyu Kim, Hee-Jung Wang, Bong-Wan Kim, Sung Yeon Hong, Xue-Yin Shen (Division of Liver Transplantation and Hepatobiliary Surgery, Department of Surgery, Ajou University School of Medicine)