About the Authors
- Cui-Ling Li
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Affiliation Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Tao Jiang
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Affiliation Suizhou Maternal and Child Health-care Hospital, Suizhou, Hubei, China
- Xiu-Zhen Hu
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Affiliation Suizhou Maternal and Child Health-care Hospital, Suizhou, Hubei, China
- Kai Zhao
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Affiliation Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Qiong Yu
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Affiliation Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Hui-Ping Zhang
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* E-mail: zhpmed@yahoo.com.cn
Affiliation Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: HPZ CLL. Performed the experiments: TJ XZH. Analyzed the data: KZ QY. Wrote the manuscript: CLL.