^○Woo-Jung Lee (Yonsei University Health System, Seoul, Korea)

^○Kuo-Hsin Chen (Division of General Surgery, Department of Surgery, Far-Eastern Memorial Hospital, New Taipei City, Taiwan)

^○Taku Aoki¹, Keiichi Kubota^1,2, Takatsugu Matsumoto¹, Hiroyuki Nitta², Yuichiro Otsuka², Go Wakabayashi², Hironori Kaneko² (1.Second Department of Surgery, Dokkyo Medical University, Mibu, Tochigi, Japan, 2.Endoscopic Liver Surgery Study Group of Japan)

^○Akio Saiura, Yu Takahashi, Yosuke Inoue, Yoshihiro Mise, Takeaki Ishizawa, Hiromichi Ito, Takafumi Sato, Yoshihiro Ono, Atsushi Oba, Shoichi Irie (Department of Hepato-Biliary-Pancreatic Surgery, Cancer Institute Hospital, Tokyo, Japan)

^○Kentaro Yasuchika, Shinichi Hosokawa, Satoshi Yokoyama, Yoshikuni Yonenaga, Daisuke Itoh, Yuya Enoki, Atsusi Noma, Kohei Ueno, Mitsuru Masuda, Takumi Miyamoto, Masato Ichimiya, Yoshito Yamashita, Shirou Uyama (Japanese Red Cross Wakayama Medical Center)

^○Kazuhiro Yoshida, Umeda Yuzo, Ryuichi Yoshida, Daisuke Nobuoka, Takashi Kuise, Kazuya Yasui, Daisuke Konishi, Hiroki Okabayashi, Takahito Yagi, Toshiyoshi Fujiwara (Gastroenterological Surgery, Okayama University)