^○Fuminori Mihara, Nobuyuki Takemura, Fuyuki Inagaki, Toshiaki Kurokawa, Atsuko Kataoka, Norihiro Kokudo (Department of Surgery, National center for Global Health and Medicine, Tokyo, Japan)

^○Askar Asanovich Urmanov (Faculty Surgery Tashkent Medical Academy)

^○Daisuke Kadowaki, Hiroshi Sadamori, Masayoshi Hioki, Kazuteru Monden, Masashi Yoshimoto, Chiaki Kobatake, Norihisa Takakura (Department of Surgery, Fukuyama City Hospital, Hiroshima, Japan)

^○Eriko Ohta, Yasuhiro Shirahata (Department of Surgery, Tsuruoka Municipal Shonai Hospital)

^○Umarbek Safarovich Usarov (Faculty Surgery Tashkent Medical Academy)

^○Umarbek Safarovich Usarov (Faculty Surgery Tashkent Medical Academy)