Suzuki, Yuka
Ikeda, Ai
Wada, Hiroo
Maruyama, Koutatsu
Miyachi, Narihisa
Filomeno, Ronald
Suzuki, Yohei
Ikeda, Satomi
Hashimoto, Yumi
Koyama, Yasunari
Tanigawa, Takeshi
Article History
Received: 11 October 2017
Accepted: 4 November 2018
First Online: 27 November 2018
Compliance with ethical standards
:
: Takeshi Tanigawa is a part-time occupational physician of Koyama Healthcare Group. The other authors declare no conflict of interest.