Yoshimura, Ryuichi
Yamamoto, Ryohei
Shinzawa, Maki
Tomi, Ryohei
Ozaki, Shingo
Fujii, Yoshiyuki
Ito, Takafumi
Tanabe, Kazuaki
Moriguchi, Yasuaki
Isaka, Yoshitaka
Moriyama, Toshiki
Article History
Received: 21 March 2020
Revised: 14 May 2020
Accepted: 26 May 2020
First Online: 10 July 2020
Compliance with ethical standards
:
: TM and YI are employed as occupational physicians by Shionogi & Co., Ltd; YM is an employee of Shionogi & Co., Ltd and acts as a managing director of Shionogi Health Insurance Association; and the other authors declare no conflict of interest.