Komatsu, Hiroko
Yagasaki, Kaori
Oguma, Yuko
Saito, Yoshinobu
Komatsu, Yasuhiro
Funding for this research was provided by:
Keio University
Japan Society for the Promotion of Science KAKENHI (JP17K01795)
Article History
Received: 10 May 2020
Accepted: 27 September 2020
First Online: 2 October 2020
Ethics approval and consent to participate
: The study was approved by the Internal Review Board of the Graduate School of Health Management, Keio University (2017–12). We obtained written and oral informed consent from all the participants.
: Not applicable.
: The authors declare that they have no competing interests.