About the Authors
- Wenhua Yu
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Contributed equally to this work with: Wenhua Yu, Changping Li, Xiaomeng Fu
Affiliation Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin, China
- Changping Li
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Contributed equally to this work with: Wenhua Yu, Changping Li, Xiaomeng Fu
Affiliation Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin, China
- Xiaomeng Fu
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Contributed equally to this work with: Wenhua Yu, Changping Li, Xiaomeng Fu
Affiliation Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin, China
- Zhuang Cui
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Affiliation Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin, China
- Xiaoqian Liu
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Affiliation Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin, China
- Linlin Fan
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Affiliation Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin, China
- Guan Zhang
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Affiliation Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin, China
- Jun Ma
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* E-mail: junma@tijmu.edu.cn
Affiliation Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: WY CL. Analyzed the data: WY CL. Wrote the paper: WY CL XF. Designed and revised the figures and tables in the manuscript: XL GZ. Data collection of this study: XF LF. Provided full discussion and revision: ZC JM.