Fan, Dazhi
Rao, Jiaming
Lin, Dongxin
Zhang, Huishan
Zhou, Zixing
Chen, Gengdong
Li, Pengsheng
Wang, Wen
Chen, Ting
Chen, Fengying
Ye, Yuping
Guo, Xiaoling
Liu, Zhengping
Article History
Received: 15 June 2021
Accepted: 12 October 2021
First Online: 19 October 2021
Declarations
:
: This study was approved by the Ethic Committee of the Affiliated Foshan Women and Children Hospital, Southern Medical University (FSFY-MEC-2019-044).This is retrospectively collected data study, and the datasets are fully anonymized prior to analysis. The need for consent was waived by the Academic Board of the Hospital.
: Not applicable.
: The authors declare that they have no competing interests.