About the Authors
- Donghua Xie
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* E-mail: Yangtbcsu@163.com
Affiliations Department of Epidemiology and Health Statistic, School of Public Health, Central South University, 110 Xiangya Road, Changsha, Hunan, 410078, P.R of China, Department of Information management, Maternal and Children hospital of Hunan province, 58 Xiangchun Road, Changsha, Hunan, 410078, P.R of China
- Tubao Yang
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* E-mail: Yangtbcsu@163.com
Affiliation Department of Epidemiology and Health Statistic, School of Public Health, Central South University, 110 Xiangya Road, Changsha, Hunan, 410078, P.R of China
- Zhiyu Liu
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Affiliation Department of Information management, Maternal and Children hospital of Hunan province, 58 Xiangchun Road, Changsha, Hunan, 410078, P.R of China
- Hua Wang
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Affiliation Department of Information management, Maternal and Children hospital of Hunan province, 58 Xiangchun Road, Changsha, Hunan, 410078, P.R of China
Competing Interests
The authors have declared that no competing interests exist
Author Contributions
Conceived and designed the experiments: DX TY ZL HW. Performed the experiments: DX ZL HW. Analyzed the data: DX TY. Contributed reagents/materials/analysis tools: DX ZL. Wrote the paper: DX TY.