Wang, Guiying http://orcid.org/0000-0002-0361-8127
Yu, Jun
Yang, Yiwei
Liu, Xiaoqin
Zhao, Xiaobo
Guo, Xudong
Duan, Tao
Lu, Chenqi http://orcid.org/0000-0003-2748-6031
Kang, Jiuhong
Funding for this research was provided by:
National Natural Science Foundation of China (81530042, 31970639, 31871298, 31830059)
Ministry of Science and Technology of the People's Republic of China (2016YFA0101300)
National Natural Science Foundation of China (81530042, 31830059, 31970639, 31871298)
Article History
Received: 12 September 2019
Accepted: 10 January 2020
First Online: 28 January 2020
Ethics approval and consent to participate
: All women provided written informed consent, and the study protocol was approved by the Ethics Committee of Shanghai First Maternity and Infant Hospital (No. KS17115).
: Not applicable.
: The authors declare that they have no competing interests.