Zhang, Liting
Cai, He
Liu, Xitong
Xiong, Yao
Liang, Xiaoling
Shi, Juanzi
Article History
Received: 25 August 2022
Accepted: 1 December 2022
First Online: 17 December 2022
Declarations
:
: Written informed consent was obtained from all patients before treatment, and the patients consented to the use of their retrospective data in scientific publications. This study was approved by the Ethics Review Board of the Northwest Women’s and Children’s Hospital, Xi’an, China (No. 2022007). All procedures performed in the study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: The authors declare that they have no competing interests.