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Authors
Mori, Masataka
Ibayashi, Koki
Kanayama, Masatoshi
Takenaka, Masaru
Kuroda, Koji
Muramatsu, Keiji
Fujino, Yoshihisa
Matsuda, Shinya
Tanaka, Fumihiro
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Funding
Funding for this research was provided by:
Ministry of Health, Labour, and Welfare, Japan (H30-Policy-Designated-004)
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Article History
Received: 9 June 2020
Accepted: 25 September 2020
First Online: 26 October 2020
Compliance with ethical standards
:
: The authors declare no conflicts of interest associated with this manuscript.
: This study was approved by the Ethics Committee of Medical Research, University of Occupational and Environmental Health, Japan (H29-086), which waived the requirement of informed consent because of the anonymous characteristics of the data.
