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Tomoaki Yamasaki
Department of Gastroenterology, Osaka City General Hospital, Japan
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Yuhei Sakata
Department of Gastroenterology, Osaka City General Hospital, Japan
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Takehisa Suekane
Department of Gastroenterology, Osaka City General Hospital, Japan
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Hiroko Nebiki
Department of Gastroenterology, Osaka City General Hospital, Japan