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Kengo Kasuga
Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Japan
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Hirohito Tanaka
Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Japan
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Hiroko Hosaka
Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Japan
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Toshio Uraoka
Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Japan