Asada, Fuminari
Nomura, Takuo
Hosui, Atsushi
Kubota, Masashi
Funding for this research was provided by:
Japan Organization of Occupational Health and Safety (2013)
Article History
Received: 13 December 2019
Accepted: 1 June 2020
First Online: 10 June 2020
Ethics approval and consent to participate
: The Research Ethics Committee of Osaka Rosai Hospital approved the study (approval number: 20130215). The patients provided written informed consent for inclusion in the study.
: Not applicable.
: The authors declare that they have no competing interests.