Xue, Rui-Hong
Li, Juan
Huang, Zhen
Li, Zheng-Zheng
Chen, Lei
Lin, Qin
Huang, He-Feng http://orcid.org/0000-0002-0366-3665
Funding for this research was provided by:
National Key Research and development Program of China ([2017YFC1001300])
Article History
Received: 21 November 2019
Accepted: 13 February 2020
First Online: 29 February 2020
Compliance with ethical standards
:
: The authors report no conflicts of interest.
: The retrospective study was approved by the ethics committee on human research at International Peace Maternity and Child Health Hospital, Shanghai, China. Review Board: (GKLW) 2017-81 on December 29, 2017.