*Ayako Morita1, Takeo Fujiwara1, Hiroshi Murayama2, Masaki Machida3, Shigeru Inoue3, Yugo Shobugawa4
(1. Department of Public Health, Tokyo Medical and Dental University, 2. Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, 3. Department of Global Health Promotion, Tokyo Medical and 2 Dental University, 4. Department of Active Ageing, Niigata University Graduate School of Medical and Dental Sciences)
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