Affiliation: | Shunsuke Kagawa, Kunitoshi Shigeyasu, Michihiro Ishida, Megumi Watanabe, Hiroshi Tazawa, Takeshi Nagasaka, Yasuhiro Shirakawa, Toshiyoshi Fujiwara, Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan |