About the Authors

Pengfei Zhang

Contributed equally to this work with: Pengfei Zhang, Guanghui Dong

Affiliation Department of Biostatistics, School of Public Health, China Medical University, Shenyang, People's Republic of China

Guanghui Dong

Contributed equally to this work with: Pengfei Zhang, Guanghui Dong

Affiliations Department of Biostatistics, School of Public Health, China Medical University, Shenyang, People's Republic of China, Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, People's Republic of China

Baijun Sun

Affiliation Shenyang Center for Diseases Control and Prevention, Shenyang, People's Republic of China

Liwen Zhang

Affiliation Department of Occupational Health, College of Public Health, Tianjin Medical University, Tianjin, People's Republic of China

Xi Chen

Affiliation Department of Occupational Health, College of Public Health, Tianjin Medical University, Tianjin, People's Republic of China

Nannan Ma

Affiliation Department of Biostatistics, School of Public Health, China Medical University, Shenyang, People's Republic of China

Fei Yu

Affiliation Department of Biostatistics, School of Public Health, China Medical University, Shenyang, People's Republic of China

Huimin Guo

Affiliation Department of Biostatistics, School of Public Health, China Medical University, Shenyang, People's Republic of China

Hui Huang

Affiliation Department of Biostatistics, School of Public Health, China Medical University, Shenyang, People's Republic of China

Yungling Leo Lee

Affiliation Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan

Naijun Tang

Affiliation Department of Occupational Health, College of Public Health, Tianjin Medical University, Tianjin, People's Republic of China

Jie Chen

chenjie@mail.cmu.edu.cn

Affiliation Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GD NT JC. Performed the experiments: PZ GD BS LZ XC NM FY HG HH NT JC. Analyzed the data: PZ GD YL JC. Contributed reagents/materials/analysis tools: GD YL NT JC. Wrote the paper: PZ GD YL JC.