^○Woong Ki Park¹, Kwang Woong Lee¹, Kyoung Bun Lee², Joshi Pravin³, Suk Kyun Hong¹, Kyung Chul Yoon¹, Jeong Moo Lee¹, Jae Hyung Cho¹, Nam Joon Yi¹, Kyung Suk Suh¹ (1.Department of General Surgery, Seoul National University Hospital, 2.Seoul National University Hospital, Department of Pathology, Seoul, Korea, Republic of, 3.Universal College of Medical Sciences and Teaching Hospital, Bhairahawa, Nepal)

^○Atsushi Shimizu, Alan, Kawarai Lefor, Yasunaru Sakuma, Hideki Sasanuma, Masaru Koizumi, Kazuhiro Endo, Atsushi Miki, Masanobu Taguchi, Naohiro Sata (Department of Surgery, Jichi Medical University)

^○Hiroaki Ono¹, Keiichi Akanoshi¹, Masahumi Akasu¹, Tomotaka Kato¹, Yuuki Mizuno¹, Norimichi Chiyonoby¹, Toshiro Ogura¹, Kouuske Ogawa¹, Yuusuke Mitsunori¹, Daisuke Ban¹, Atsuhi Kudo¹, Shinji Tanaka², Minoru Tanabe¹ (1.Department of Hepatobiliary-Pancreatic Surgery, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan, 2.Department of Molecular Oncology, Tokyo Medical and Dental University, Tokyo, Japan)

^○Yasuharu Tokuyama, Bun Sano, Takami Fukui, Keiichi Misawa (Department of Surgery, General Inuyama Central Hospital, Inuyama, Japan)

^○Masashi Inoue, Ichirou Omori (Higashihiroshima Medical Center, Hiroshima, Japan)

^○Shinichi Hosokawa, Satoshi Yokoyama, Yoshikuni Yonenaga, Daisuke Ito, Kentaro Ysuchika (Department of Surgery of Japanese Red Cross Wakayama Medical Center.)