Peng, Jiaojiao
Zheng, Hong
Liu, Feng
Wu, Qi
Liu, Shixi
Article History
Received: 9 May 2021
Accepted: 16 December 2021
First Online: 3 January 2022
Declarations
:
: West China Hospital, Sichuan University Ethics Committee approved this study. All procedures performed in studies involving human participants were in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Written informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.