Funding for this research was provided by:
Japan Society for the Promotion of Science (JP15H01972, 22K10578)
Japan Agency for Medical Research and Development (JP18dk0110027, JP18ls0110002, JP18le0110009, JP20dk0110034, JP21lk0310073, JP21dk0110037, JP22lk0310087)
Program on Open Innovation Platform with Enterprises, Research Institute and Academia (OPERA, JPMJOP1831)
National Center for Geriatrics and Gerontology (29-42, 30-22, 20-19, 21-20)
Article History
Received: 16 March 2023
Accepted: 26 September 2023
First Online: 10 November 2023
Declarations
:
: We described in InternalRef removed section as follows: Participants were informed that participation in the study was voluntary and that completion and return of the questionnaire constituted consent to participate in the study. The study was approved by the Ethics Committee on Research on Human Subjects at National Center for Geriatrics and Gerontology (No. 1274-2) and Chiba University (No. 3442).
: Not applicable.
: The authors declare that they have no competing interests.