^○Nilesh Sadashiv Patil¹, Pramod Kumar Mishra¹, Nisha Solanki¹, Barjesh Chander Sharma², Sundeep Singh Saluja¹ (1.HPB Surgery and Liver Transplantation, Institute of Liver and Biliary Sciences (ILBS), New Delhi, India, 2.Department of Medical Gastroenterology, G B Pant Institute of Post Graduate Medical Education and Research)

^○Kousuke Ogawa, Atsushi Kudo, Keiichi Akahoshi, Toshirou Ogura, Hiroaki Ono, Yuusuke Mitsunori, Daisuke Ban, Minoru Tanabe (Department of hepatobilliary and pancreatic Surgery, Tokyo Medical and Dental University, Tokyo, Japan)

^○Daisuke Asano, Satoshi Nara, Kengo Fukuoka, Toshimitsu Iwasaki, Yoji Kishi, Minoru Esaki, Kazuaki Shimada (Department of HBP Surgery, National Cancer Center, Tokyo, Japan)

^○Masatake Taniguchi, Shin Kobayashi, Naoki Yagi, Sho Yasuta, Ryo Morisue, Toshiyuki Suzuki, Masashi Kudo, Satoshi Okubo, Motokazu Sugimoto, Shinichiro Takahashi, Masaru Konishi, Naoto Gotohda (Division of Hepatobiliary and Pancreatic Surgery, National Cancer Center Hospital East, Kashiwa, Japan)

^○Shuichi Watanabe¹, Atsushi Kudou¹, Masahumi Akasu¹, Tomotaka Katou¹, Jun Yoshino¹, Norimichi Chiyonobu¹, Yuuki Mizuno¹, Keiichi Akahoshi¹, Kousuke Ogawa¹, Toshirou Ogura¹, Yuusuke Mitsunori¹, Hiroaki Ono¹, Daisuke Ban¹, Shinji Tanaka², Minoru Tanabe¹ (1.Hepatobiliary and Pancreatic Surgery, Tokyo Medical and Dental University, Tokyo, Japan, 2.Molecular Oncology, Tokyo Medical and Dental University, Tokyo, Japan)

^○Yasuhisa Ando, Minoru Oshima, Hironobu Suto, Eisuke Asano, Keiichi Okano, Hisashi Usuki, Yasuyuki Suzuki (Department of Gastroenterological Surgery, Kagawa University, Kagawa, Japan)