About the Authors

Weihong Chen

wchen@mails.tjmu.edu.cn (WC); wut@mails.tjmu.edu.cn (TW)

Affiliations Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China, Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China

Yuewei Liu

Affiliations Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China, Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China

Haijiao Wang

Affiliation Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China

Eva Hnizdo

Affiliation Division of Respiratory Disease Studies, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia, United States of America

Yi Sun

Affiliation Department of Applied Epidemiology, Institute for Occupational Safety and Health, German Social Accident Insurance (IFA), Sankt Augustin, Germany

Liangping Su

Affiliation Daye Iron Mine Hospital, Wuhan Iron and Steel Corporation, Huangshi, Hubei, China

Xiaokang Zhang

Affiliation Jingdezhen Health Bureau, Jingdezhen, Jiangxi, China

Shaofan Weng

Affiliation Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China

Frank Bochmann

Affiliation Department of Applied Epidemiology, Institute for Occupational Safety and Health, German Social Accident Insurance (IFA), Sankt Augustin, Germany

Frank J. Hearl

Affiliation Division of Respiratory Disease Studies, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia, United States of America

Jingqiong Chen

Affiliation Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China

Tangchun Wu

wchen@mails.tjmu.edu.cn (WC); wut@mails.tjmu.edu.cn (TW)

Affiliations Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China, Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: WC YL HW SW TW. Wrote the first draft of the manuscript: WC YL. Contributed to the writing of the manuscript: WC YL EH YS TW. ICMJE criteria for authorship read and met: WC YL HW EH YS LS XZ SW FB FH JC TW. Agree with manuscript results and conclusions: WC YL HW EH YS LS XZ SW FB FH JC TW. Initiated and designed the study: WC FH JC. Established the databases: WC YL HW SW LS XZ. Contributed to the interpretation of data and results: EH YS FB.