Ihara, Shiichi
Ide, Kazushige
Kanamori, Satoru
Tsuji, Taishi
Kondo, Katsunori
Iizuka, Gemmei
Article History
Received: 27 September 2021
Accepted: 25 February 2022
First Online: 22 March 2022
Declarations
:
: This study was approved by ethics committee of National Center for Geriatrics and Gerontology and Chiba University. JAGES participants were informed that participation in the study was voluntary and that completing and returning the questionnaire via mail (with checking a checkbox for some participants) indicated their consent to participate in the study. With this procedure, informed consent was obtained from all the participants involved in the study. All methods were conducted in accordance with Ministry of Health, Labour and Welfare guidelines (Ethical Guidelines for Medical and Health Research Involving Human Subjects).
: Not applicable.
: The authors have no conflicts of interest relevant to this article to disclose.