^○Hidenobu Kojima, Takamichi Ishii, Ken Fukumitsu, Yu Oshima, Hiroshi Kawamoto, Takahito Minami, Yuya Miyauchi, Ryoya Yamaoka, Takayuki Kawai, Shinji Uemoto (Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan)

^○Daisuke Noguchi, Naohisa Kuriyama, Takahiro Ito, Aoi Hayasaki, Taishiro Takeuchi, Takehiro Fujii, Yusuke Iizawa, Hiroyuki Kato, Akihiro Tanemura, Yasuhiro Murata, Yoshinori Azumi, Masashi Kishiwada, Shugo Mizuno, Masanobu Usui, Hiroyuki Sakurai, Shuji Isaji (Department of Hepatobiliary Pancreatic and Transplant Surgery, Mie University School of Medicine, Mie, Japan)

^○Naohiko Otsuka, Masato Yoshioka, Yuzo Yamamoto (Department of Gastroenterological Surgery, Akita University Graduate School of Medicine, Akita, Japan)

^○Naohiro Aida, Taihei Ito, Kei Kurihara, Akihiro Kawai, Takashi Kenmochi (Department of Transplantation and Regenerative Medicine, School of Medicine, Fujita Health University, Japan)

^○Ryo Kitajima, Takanori Sakaguchi, Satoru Furuhashi, Ryota Kiuchi, Makoto Takeda, Takanori Hiraide, Yasushi Shibasaki, Yoshifumi Morita, Hirotoshi Kikuchi, Hiroyuki Konno, Hiroya Takeuchi (Second Department of Surgery, Hamamatsu University School of Medicine, Hamamatsu, Japan)

^○Hyeong Min Park, Sang-Jae Park, Jae Ryong Shim, Eung Chang Lee, Seung Duk Lee, Ju Hee Lee, Sang Myung Woo, Sung-Sik Han, Young Hwan Ko, Seoung Hoon Kim, Soon-Ae Lee, Woo Jin Lee, Eun Kyung Hong (National Cancer Center, Korea)