Matsuoka, Yoko
Haseda, Maho
Kanamori, Mariko
Sato, Koryu
Amemiya, Airi
Ojima, Toshiyuki
Takagi, Daisuke
Hanazato, Masamichi
Kondo, Naoki
Funding for this research was provided by:
the JSPS (Japan Society for the Promotion of Science) KAKENHI (JP22K21138, JP19K21468; JP21K17308, JP18H03047, 19K04785)
Graduate Program in Gerontology (GLAFS), the University of Tokyo
the Research Fellowship for Young Scientists from the Japan Society for the Promotion of Science
Article History
Received: 2 March 2023
Accepted: 3 October 2023
First Online: 11 October 2023
Declarations
:
: The authors declare no competing interests.
: All procedures were in accordance with the ethical standards of the Helsinki Declaration of 1975, revised in 2013. The Japan Gerontological Evaluation Study was approved by the Ethics Committees at the National Center for Geriatrics and Gerontology (992), Chiba University Faculty of Medicine (2493), the University of Tokyo Faculty of Medicine (10555), and Kyoto University Graduate School and Faculty of Medicine (R3153).
: All participants were informed that participation in the study was voluntary and that completing and returning the questionnaire via mail indicated their consent to participate in the study. For any participants without written declaration of intention, written informed consent was assumed with the voluntary return of the questionnaire. The ethics committees approved the use of assumed consent upon return of the questionnaire. With this procedure, informed consent was obtained from all the participants involved in the study.
: Not applicable.