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Michiyo Hirano
Faculty of Health Sciences, Hokkaido University
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Ryuta Onishi
Faculty of Health Sciences, Hokkaido University
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Risa Takashima
Faculty of Health Sciences, Hokkaido University
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Hiroki Abe
Former Graduate School of Health Sciences, Hokkaido University
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Kazuko Saeki
Hokkaido University Toyama Prefectural University