Zhou, Xingchen
Yang, Xiaoqian
Chen, Huihui
Fang, Xuhong
Wang, Xipeng http://orcid.org/0000-0001-8393-3719
Funding for this research was provided by:
a Key grant from the Shanghai (5411961600)
a action plan from Shenkang (16CR4028A)
Article History
Received: 10 January 2018
Accepted: 17 September 2018
First Online: 19 October 2018
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Shanghai First Maternity and Infant Hospital (KS1512). Informed written consent was obtained from all participants.
: Not applicable.
: The results and writing of this study was supported by a Key grant from the Shanghai Scientific and Technology Commission (15411961600) and a action plan from Shenkang(16CR4028A), the authors have no conflicts of interest.
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