About the Authors
- Fuhai Shen, Hongbo Liu, Jie Chen
- School of Public Health, China Medical University, Shenyang, Liaoning, P.R. China
- Fuhai Shen, Juxiang Yuan, Zhiqian Sun, Zhengbing Hua, Sanqiao Yao, Xueyun Fan
- School of Public Health, Hebei United University, Tangshan, Hebei, P.R. China
- Tianbang Qin
- Occupational Disease Prevention and Treatment Hospital of Kailuan Colliery Group, Tangshan, Hebei, P.R. China
- Weihong Chen
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
The authors have declared that no competing interests exist.
Conceived and designed the experiments: FS HL JC. Performed the experiments: FS JY ZS ZH TQ XF. Analyzed the data: FS JY ZS ZH SY WC HL JC. Contributed reagents/materials/analysis tools: FS ZS ZH HL JC. Wrote the paper: FS HL JC.