Toyama, Taku
Ueta, Takashi https://orcid.org/0000-0001-5995-7438
Yoshitani, Masato
Sakata, Rei
Numaga, Jiro
Article History
Received: 22 August 2018
Accepted: 18 October 2018
First Online: 29 October 2018
Ethics approval and consent to participate
: Institutional Review Board of Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology.
: Not applicable.
: The authors declare that they have no competing interests.
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