Affiliation: | Yoriaki Komeda, Tomohiro Watanabe, Toshiharu Sakurai, Masashi Kono, Kazuki Okamoto, Tomoyuki Nagai, Mamoru Takenaka, Satoru Hagiwara, Shigenaga Matsui, Naoshi Nishida, Naoko Tsuji, Hiroshi Kashida, Masatoshi Kudo, Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan |