Hu, Zhixu
Qiu, Hang
Wang, Liya
Shen, Minghui
Funding for this research was provided by:
National Natural Science Foundation of China (71661167005)
Key Research and Development Program of Sichuan Province (2019YFS0271)
Article History
Received: 29 December 2021
Accepted: 7 March 2022
First Online: 10 March 2022
Declarations
:
: This study was conducted according to the ethical guidelines of the Helsinki Declaration and was approved by the Ethics Committee of Health Information Center of Sichuan Province. The Ethics Committee exempted informed consent because of the retrospective nature of this research. Prior to the analysis, patients’ data were anonymized and de-identified.
: Not applicable.
: The authors declare that they have no competing interests.