Funding for this research was provided by:
Meiji Yasuda Life Foundation of Health and Welfare
Received: 8 July 2020
Accepted: 16 November 2020
First Online: 25 November 2020
Ethics approval and consent to participate
: The study protocol and procedure used to secure the informed consent of the participants were approved by the Ethics Committee of Shimane University #2888.
: The authors provide full consent for publishing the manuscript.
: The authors declare that the funding source did not influence the study design, data collection, data analysis, interpretation, or reporting of this study.