Funding for this research was provided by:
The Japan Foundation for Aging and Health
Takeda Science Foundation
Longevity Sciences from the National Center for Geriatrics and Gerontology (30-29, 29-45)
Research on Dementia from the Japanese Ministry of Health, Labor and Welfare
the Japan Agency for Medical Research and Development (JP18kk0205009)
Received: 19 August 2020
Accepted: 26 October 2020
First Online: 10 November 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of the NCGG. The design and performance of the current study, which involves human subjects, were clearly described in a research protocol. All participation was voluntary, and participants completed informed consent in writing before registering with the NCGG Biobank.
: Not applicable
: The authors declare that they have no competing interests.