Liu, Yemei
Yang, Pei
Pi, Yong
Jiang, Lisha
Zhong, Xiao
Cheng, Junjun
Xiang, Yongzhao
Wei, Jianan
Li, Lin
Yi, Zhang
Cai, Huawei
Zhao, Zhen
Article History
Received: 18 May 2021
Accepted: 29 August 2021
First Online: 4 September 2021
Declarations
:
: This study has been performed in accordance with the Declaration of Helsinki and has been approved by the Institutional Ethics Committee of West China Hospital in Sichuan University. As this study was of retrospective nature, a consent form was waived by the Institutional Ethics Committee of West China Hospital in Sichuan University.
: Not applicable.
: The authors declare there they have no conflict of interest.