Jiang, Wei-Zhen
Yang, Xi-Lin
Luo, Jian-Ru
Article History
Received: 9 January 2022
Accepted: 3 August 2022
First Online: 9 August 2022
Declarations
:
: Due to the retrospective nature of the study, informed consent was waived, but this study was granted by the ethics committee of Chengdu Women's and Children's Central Hospital and the ethics approval number was B2021(26).
: Written informed consent for publication was obtained from all participants.
: The authors have declared that there is on potential conflicts of interest.