Sun, Xue-Cheng http://orcid.org/0000-0002-1689-2627
Wang, Hu
Zhang, Dan
Li, Jian-Hui
Yin, Li-Qiang
Yan, Yu-Fang
Ma, Xu
Xia, Hong-Fei
Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC1000803)
Article History
Accepted: 12 July 2021
First Online: 22 August 2021
Declarations
:
: The authors declare that they have no competing interests.
: Ethical approval to report this case was obtained from the National Research Institute for Family Planning (Ethics Number 2015-16).
: All authors gave consent for publication.
: There are no human subjects in this article and informed consent is not applicable.
: All procedures in this study were conducted in accordance with the National Research Institute for Family Planning (Ethics Number 2015-16) approved protocols.