Zhang, Shuo
Zhao, Dingding
Zhang, Jun
Mao, Yan
Kong, Lingyin
Zhang, Yueping
Liang, Bo
Sun, Xiaoxi
Xu, Congjian
Funding for this research was provided by:
National Key R&D Program of China (2016YFC1303100)
Shanghai Science and Technology Innovation Action Plan Program (18411953800)
Article History
Received: 11 September 2018
Accepted: 28 February 2019
First Online: 18 March 2019
Ethics approval and consent to participate
: Written informed consent was obtained from each family and this study was approved by the Ethics Committee for Human Subject research of the Obstetrics and Gynecology Hospital (2018–22), Fudan University.
: We obtained the consent to publish their clinical data from the patients in this study.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.