Zhou, Jianxin
Shi, Quanhong
Jiang, Li
Xie, Yanfeng
Deng, Bo
Zhan, Yan
Article History
Received: 7 September 2021
Accepted: 10 February 2022
First Online: 21 February 2022
Declarations
:
: Ethical approval was waived by the Local Ethics Committee of The First Affiliated Hospital of Chongqing Medical University in view of the retrospective nature of the study, and all the procedures being performed were part of the routine care.
: All patients provided written informed consent to undergo the procedures. The data are anonymous, and the requirement for informed consent was therefore waived.
: The authors declare no competing interests.