^○Kohei Nishio, Akihiro Murata, Sadatoshi Shimizu, Shintaro Kodai, Akishige Kanazawa (Department of Hepato-Biliary-Pancreatic Surgery, Osaka City General Hospital)

^○Jangho Park (Center for Liver Cancer, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea)

^○Tomoya Mizuno, Hiromichi Ito, Yoshiriro Mise, Takeaki Isizawa, Yosuke Inoue, Yu Takahashi, Akio Saiura (Department of Digestive Surgery, The Cancer Institute Hospital, Tokyo Japan)

^○Hisaya Shirai¹, Shintaro Yagi¹, Yuuki Masana¹, Shinya Okumura¹, Yuusuke Okamura², Siyuan Yao¹, Atsushi Kobayashi¹, Yuhei Hamaguchi¹, Toshimi Kaido¹, Kyohei Kushihata³, Shinji Uemoto¹ (1.Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan, 2.Kohka public Hospital, Kohka, Japan, 3.Kono Seisakusho Co., Ltd., Ichikawa, Japan)

^○Sungho Kim, Yoo-Seok Yoon, Ho-Seong Han, Jai Young Cho, YoungRok Choi, In Gun Hyun, Kil Hwan Kim (Department of Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Korea)

^○Sam-Youl Yoon (Hallym University Medical Center, Sacred Heart Hospital, South Korea)