^○Elyor Djabbarxanovich Sayfutdinov (Faculty Surgery Tashkent Medical Academy)

^○Ryo Yoshioka, Yoshito Tomimaru, Kozo Noguchi, Keizo Dono (Department of Surgery, Toyonaka Municipal Hospital, Toyonaka, Japan)

^○Li-sa Chang, Yoshito Tomimaru, Ryo Yoshioka, Kozo Noguchi, Keizo Dono (Department of Surgery, Toyonaka Municipal Hospital, Toyonaka, Japan)

^○Manabu Kujiraoka¹, Makoto Kuroda², Koji Asai¹, Manabu Watanabe¹, Hiroshi Matsukiyo¹, Tomoaki Saito¹, Shinya Kusachi¹ (1.Department of Surgery, Toho University Ohashi Medical Center, 2.Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases)

^○Yoshinori Kajiwara, Susumu Shinoura, Katsuyuki Aoyama (Department of Surgery, Tsuyama Chuo Hospital, Okayama, Japan)

^○Ken Tsuboi, Yoichi Matsuo, Goro Ueda, Yuichi Hayashi, Hiroyuki Imafuji, Kenta Saito, Tomoya Shamoto, Mamoru Morimoto, Shuji Takiguchi (Department of Gastroenterological Surgery, Nagoya City University, Nagoya, Japan)