Wang, Jing
Xie, Wen-Peng
Lei, Yu-Qing
Wang, Zeng-Chun
Cao, Hua
Chen, Qiang https://orcid.org/0000-0003-3768-9000
Article History
Received: 24 May 2021
Accepted: 21 July 2021
First Online: 28 July 2021
Declarations
:
: The present study was approved by the ethics committee of Fujian Maternity and Child Health Hospital, and adhered to the Declaration of Helsinki’s tenets (Grant No. 2009024).
: Not applicable.
: The authors declare that they have no competing interests.