Funding for this research was provided by:
Joint Research and Development between National Center for Geriatrics and Gerontology and Air Water Inc.
Received: 2 November 2020
Accepted: 24 February 2021
First Online: 29 May 2021
: All animal procedures were approved by the Animal Care and Use Committee of the National Center forGeriatrics and Gerontology, Research Institute (permission #30-19, #31-17) and the Aichi Medical University (permission #2019-92, #2020-92) and Shin Nippon Biomedical Laboratories Ltd (permission #IACUC860-017).
: Not applicable.
: The corresponding author Nakashima M receives research support from the Air Water Inc. A detailed listing of Nakashima’s financial disclosures is available at ExternalRef removed and ExternalRef removed. No other author has reported a potential conflict of interest relevant to this article.