○Chiaki Sato, Haruhiro Inoue, Kazuya Sumi, Yohei Kitamura, Kuniyo Gomi, Michitaka Suzuki, Shinwa Tanaka, Haruo Ikeda, Manabu Onimaru, Mitsuo Saito, Hiroaki Ito, Masaaki Matsukawa
(Digestive Disease Center, ,Showa University, Kototoyosu Hospital, Tokyo, Japan)
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