He, Lingxiao
Luo, Lei
Hou, Xiaoling
Liao, Dengbin
Liu, Ran
Ouyang, Chaowei
Wang, Guanglin
Article History
Received: 18 December 2020
Accepted: 6 April 2021
First Online: 10 May 2021
Declarations
:
: The study had the approval from Ethics Committee on Biomedical Research of West China Hospital (No. 2020–411). Due to the retrospective nature of the study, the Ethical Committee on Biomedical Research of West China Hospital waived the need for written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.