*Naoki Takashi1, Tomoko Ohura2, Joji Onishi1, Shosuke Ohtera1, Hidenori Arai3
(1. Department of Health Economics, Center for Gerontology and Social Science, Research Institute, National Center for Geriatrics and Gerontology, 2. Evidence-based Long-term Care Team, Center for Gerontology and Social Science, Research Institute, National Center for Geriatrics and Gerontology, 3. National Center for Geriatrics and Gerontology)
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