Shibao, Kazunori
Fujino, Yoshihisa
Joden, Fumi
Tajima, Tatehide
Nagata, Jun
Sato, Nagahiro
Fujimoto, Kenji
Shinya, Matsuda
Hirata, Keiji
Funding for this research was provided by:
Ministry of Health, Labour and Welfare (H30-Seisaku-Shitei-004)
Ministry of Health, Labour and Welfare (H30‐Seisaku‐Shitei‐004)
Article History
Accepted: 13 July 2020
First Online: 29 July 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest or financial ties to disclose.
: All procedures were conducted in accordance with the ethical standards of the respective committees on human experimentation (institutional and national) and with the 1964 Declaration of Helsinki and later versions. This study was approved by the Ethics Committee of University of Occupational and Environmental Health, Kitakyushu, Japan.