About the Authors
- Wei Sun
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Affiliations Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China, Department of Social Medicine, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
- Ming Wu
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Affiliation Liaoning Provincial Center for Disease Control and Prevention, Shenyang, Liaoning, PR China
- Peng Qu
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Affiliation Liaoning Women and Children’s Health, Shenyang, Liaoning, PR China
- Chunming Lu
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Affiliation Liaoning Provincial Center for Disease Control and Prevention, Shenyang, Liaoning, PR China
- Lie Wang
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* E-mail: liewang@mail.cmu.edu.cn
Affiliation Department of Social Medicine, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Wrote the paper: WS. Designed the study: LW WS MW. Performed data analysis: WS. Contributed data collection: MW PQ CL.