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Kodai Shirayama
Department of Gastroenterology, Akita University Graduate School of Medicine, Japan
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Kenta Watanabe
Department of Gastroenterology, Akita University Graduate School of Medicine, Japan
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Tamotsu Matsuhashi
Department of Gastroenterology, Akita University Graduate School of Medicine, Japan
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Katsunori Iijima
Department of Gastroenterology, Akita University Graduate School of Medicine, Japan