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Mitsuhiro Kono
Department of Gastroenterology, Osaka City University Graduate School of Medicine, Japan
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Yasuaki Nagami
Department of Gastroenterology, Osaka City University Graduate School of Medicine, Japan
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Masahiko Ohsawa
Department of Pathology, Osaka City University Graduate School of Medicine, Japan
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Yasuhiro Fujiwara
Department of Gastroenterology, Osaka City University Graduate School of Medicine, Japan