1 Department of Systems Aging Science and Medicine, Tokyo Metropolitan Institute of Gerontology (KA, SI), Tokyo, Japan.
2 Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology (YO, NK, HS, HK), Tokyo, Japan.
3 Department of Systems Aging Science and Medicine, Tokyo Metropolitan Institute of Gerontology (KA, SI), Tokyo, Japan. Electronic address: sinoue@tmig.or.jp.