About the Authors
- Xin Huang
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Affiliation Department of Epidemiology and Health Statistics, School of Public Health, Central South University, Changsha, Hunan, China
- Hongzhuan Tan
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* E-mail: tanhz99@qq.com
Affiliation Department of Epidemiology and Health Statistics, School of Public Health, Central South University, Changsha, Hunan, China
- Xun Li
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Affiliation Department of Epidemiology and Health Statistics, School of Public Health, Central South University, Changsha, Hunan, China
- Shujin Zhou
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Affiliation Liuyang Municipal Hospital of Maternal and Child Health, Beizheng, Liuyang, Hunan, China
- Shi Wu Wen
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Affiliations Department of Epidemiology and Health Statistics, School of Public Health, Central South University, Changsha, Hunan, China, OMNI Research Group, Department of Obstetrics and Gynecology, University of Ottawa, Ottawa, Ontario, Canada
- Meiling Luo
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Affiliation Department of Epidemiology and Health Statistics, School of Public Health, Central South University, Changsha, Hunan, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: XH HT SWW. Analyzed the data: XH XL ML. Contributed reagents/materials/analysis tools: XH SZ XL ML. Wrote the paper: XH HT SWW. Managed and coordinated field work: SZ.