Lin, Dongxin
Rao, Jiaming
Fan, Dazhi
Huang, Zheng
Zhou, Zixing
Chen, Gengdong
Li, Pengsheng
Lu, Xiafen
Lu, Demei
Zhang, Huishan
Luo, Caihong
Guo, Xiaoling
Liu, Zhengping
Article History
Received: 8 April 2021
Accepted: 24 May 2021
First Online: 25 June 2021
Declarations
:
: This study was approved by the ethics committee of Southern Medical University Affiliated Maternal & Child Health Hospital of Foshan (ethics approval number: FSFY-2019042006). Due to the respective nature of current study, the consent from each subject were waived by the ethics committee of Southern Medical University Affiliated Maternal & Child Health Hospital of Foshan. All personal identifiers were anonymized prior to analysis. All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare no competing interest.