Zhang, Qin
Wu, Shi
Song, Peipei
Liu, Yi
Ding, Li
Shi, Qingyu
Zhu, Xuan
Zhang, Liyuan
Zhang, Jun
Wang, Qin
Xu, Jian
Hu, Fupin http://orcid.org/0000-0002-4493-0619
Article History
Received: 26 October 2022
Accepted: 24 January 2023
First Online: 27 February 2023
Declarations
:
: This study was reviewed and approved by the Ethics Committee of Chengdu Women’s and Children’s Central Hospital. Informed consent from patients was not required by the Ethics Committee because there was no contact with patients.
: Informed consent from patients was not required by the Ethics Committee.
: Not applicable.
: The authors declare no competing interests.