1. Department of Occupational and Environmental HealthCollege of Public Health, Zhengzhou University Zhengzhou China
2. Department of ToxicologyCollege of Public Health, Zhengzhou University Zhengzhou China
3. Research Institute of Environmental ScienceCollege of Chemistry and Molecular Engineering, Zhengzhou University Zhengzhou China
4. Department of Occupational and Environmental HealthSchool of Public Health, Xinxiang Medical University Xinxiang Henan China
5. Department of PulmonaryThe First Affiliated Hospital of Zhengzhou University Zhengzhou Henan China