Chen, Geng-dong
Gou, Xiao-Yan
Pang, Ting-ting
Li, Peng-sheng
Zhou, Zi-xing
Lin, Dong-xin
Fan, Da-zhi
Guo, Xiao-ling
Wang, Li-juan
Liu, Zheng-ping
Funding for this research was provided by:
National Natural Science Foundation of China (No. 82103855)
Basic and Applied Basic Research Foundation of Guangdong Province (No. 2019A1515110163)
Foundation of Bureau of Science and Technology of Foshan City (No. 1920001000294)
Medical Science and Technology Foundation of Guangdong Province (No. C2019090)
Article History
Received: 26 September 2021
Accepted: 14 February 2022
First Online: 21 February 2022
Declarations
:
: Ethical approval was waived by the Ethics Committee of Affiliated Foshan Maternity & Child Healthcare Hospital, Southern Medical University in view of the retrospective nature of the study and all the procedures being performed were part of the routine care. The Affiliated Foshan Maternity & Child Healthcare Hospital provided administrative permissions for the research team to access and use the data included in this research. Data were extracted from medical records, and the consent to participate was unavailable due to the retrospective design of the study and difficulty in reconnection. Consent waiver was obtained from the Ethics Committee of Affiliated Foshan Maternity & Child Healthcare Hospital, Southern Medical University. The private information was well protected. All the experiment protocols for involving human in this study were conducted in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.