Sakurai, Ryota
Watanabe, Saya
Mori, Hiroki
Sagara, Tomoya
Murayama, Hiroshi
Watanabe, Shuichiro
Higashi, Kentaro
Fujiwara, Yoshinori
Article History
Received: 24 May 2021
Accepted: 8 November 2021
First Online: 30 November 2021
Declarations
:
: The study was conducted in accordance with the Declaration of Helsinki (1983).We attached a statement in the questionnaire explaining the purpose of the study, the voluntary nature of participation, and the promise of anonymity in the analysis. Returning the questionnaire with their answers was considered as consent to participate in the study. Ethics approval for this study, including the research protocol, was obtained from the Tokyo Metropolitan Institute of Gerontology Ethics Board.
: Not applicable.
: The authors do not have any conflicts of interest to disclose.