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Hirohisa Fujikawa
Department of Medical Education Studies, International Research Center for Medical Education, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan Department of Internal Medicine, Suwa Central Hospital, Nagano, Japan
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Ayaka Kokita
Department of Endocrinology, Diabetes and Geriatric Medicine, Akita University Graduate School of Medicine, Akita, Japan
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Keisuke Watanabe
Department of Internal Medicine, Suwa Central Hospital, Nagano, Japan
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Minoru Saito
Department of Internal Medicine, Suwa Central Hospital, Nagano, Japan