Institution: | (1) Department of Surgery, Yukawa Gastrointestinal Hospital, 2-10-2 Dohgashiba, Tennoji-ku, Osaka 543-0003, Japan, JP;(2) First Department of Surgery, Kobe University, School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan, JP |