Funding for this research was provided by:
Science and Technology Department of Sichuan Province, China (2020YFS0557)
Article History
Received: 21 November 2021
Accepted: 3 May 2022
First Online: 31 May 2022
Declarations
:
: All authors have no conflicts of interest.
: The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. All procedures performed in this study involving human participants were in accordance with the Declaration of Helsinki (as revised in 2013). The study was approved by the ethics committees of the Sichuan Provincial People’s Hospital (No. 407(2020)) and exempted from the informed consent of the retrospective analysis.