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Authors
Okamura, Tsuyoshi https://orcid.org/0000-0002-5879-6051
Ura, Chiaki
Sugiyama, Mika
Ogawa, Madoka
Inagaki, Hiroki
Miyamae, Fumiko
Edahiro, Ayako
Kugimiya, Yukiko
Okamura, Mutsuko
Yamashita, Mari
Awata, Shuichi
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Article History
Received: 3 October 2019
Accepted: 11 February 2020
First Online: 17 February 2020
Ethics approval and consent to participate
: The study protocol was approved by the Ethics Committee of the Tokyo Metropolitan Institute of Gerontology (28–3962-47). Written informed consent was obtained from all participants prior to the investigation.
: The authors declare that they have no competing interests.
