Miyachi, Narihisa
Ikeda, Ai
Filomeno, Ronald
Wada, Hiroo
Maruyama, Koutatsu
Suzuki, Yuka
Suzuki, Yohei
Ikeda, Satomi
Hashimoto, Yumi
Koyama, Yasunari
Tanigawa, Takeshi
Article History
Received: 15 December 2020
Revised: 19 April 2021
Accepted: 23 April 2021
First Online: 13 May 2021
Declarations
:
: This study was approved by the Ethical Review Board of the Juntendo University Faculty of Medicine in 2014 (authorization number: 2014057). All procedures performed in studies involving human participants were conducted in accordance with ethical standards and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in this study.
: Takeshi Tanigawa is a part-time occupational physician of Koyama Healthcare Group. All other authors declare no competing interests.