Harada, Yoshikazu http://orcid.org/0000-0002-8845-2743
Nagata, Tomohisa http://orcid.org/0000-0001-9173-420X
Nagata, Masako
Harada, Arisa
Oya, Ryoichi
Mori, Koji http://orcid.org/0000-0002-8821-4438
Funding for this research was provided by:
the Collabo-Health Study Group
Article History
Received: 25 June 2020
Accepted: 21 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: The research protocol was approved by the Ethics Committee of Medical Research, University of Occupational and Environmental Health, Japan (H26–026). Written informed consent was obtained from all study participants, including consent to participate and publish the findings.
: Not applicable.
: The authors declare that they have no competing interests.