Lou, He-Ren
Wang, Xin
Gao, Ya
Zeng, Qiang
Article History
Received: 2 March 2022
Accepted: 16 November 2022
First Online: 24 November 2022
Declarations
:
: Ethical permission for the study is not essential since it is the monitoring data of pneumoconiosis in government functions. The investigators have gotten the survey data from the follow-up questionnaire of occupational pneumoconiosis program and then the investigators of this study have preserved the privacy of the data. Informed consent was obtained from all participants. All methods were performed in accordance with the Follow-up Investigation Program of Occupational Pneumoconiosis.
: Not applicable.
: The authors declare that there is no conflict of interests regarding the publication of this paper.