Okada, Nagisa http://orcid.org/0000-0001-6118-5158
Yabase, Kosuke
Kobayashi, Toshio
Okamura, Hitoshi
Funding for this research was provided by:
an FY 2016 UOEH Research Grant for Promotion of Occupational Health
a Grant-in-Aid for Scientific Research (17K12203)
Article History
Received: 15 March 2019
Accepted: 13 August 2019
First Online: 12 September 2019
Ethics approval and consent to participate
: The entire procedure followed in the study was reviewed and approved by the Ethics Committee of the University of Occupational Environmental and Health Japan (Approval No. H28-156).
: Not applicable.
: The authors declare that they have no competing interests.