Akatsuka, Eiki http://orcid.org/0000-0003-2927-5182
Tadaka, Etsuko
Funding for this research was provided by:
Yuumi Memorial Foundation for Home Health Care
Article History
Received: 24 June 2020
Accepted: 19 January 2021
First Online: 10 March 2021
Ethics approval and consent to participate
: The current study was approved by the Institutional Ethical Review Board of the School of Medicine, Yokohama City University in Japan (Approval No. A190700008) and has been conducted in accordance with the Ethical Guidelines for Epidemiological Research by the Japanese Government. All study participants provided written informed consent by the completion and submission of the survey.
: Not applicable.
: The authors declare that they have no competing interests.