Tao, Jing
Mu, Yi
Chen, Peiran
Xie, Yanxia
Liang, Juan
Zhu, Jun
Article History
Received: 8 September 2021
Accepted: 10 February 2022
First Online: 16 February 2022
Declarations
:
: This study was approved by the Ethics Review Committee of West China.Second University Hospital, Sichuan University (Protocol ID: 2012008; date of approval: 3 March 2012), and conducted in accordance with the principles of the Declaration of Helsinki. Because of the retrospective design of this study, the Ethics Review Committee of West China Second University Hospital, Sichuan University has waived the requirement of the informed consent for this study.
: All authors have read and approved the content, and agree to submit it for consideration for publication in your journal.
: The authors declare no competing interests.