Funding for this research was provided by:
National Natural Science Foundation of China (41772157)
Independent research project of the State Key Laboratory of Coal Resources and Safe Mining (SKLCRSM19ZZ03)
Article History
Received: 30 December 2020
Accepted: 9 June 2021
First Online: 14 June 2021
Declarations
:
: The authors claim no conflicts of interest.
: Not applicable. In this study, we used models to assess health risks, and did not involve experiments and study on humans or animals.