Chen, Liang
Han, Xiudi
Li, YanLi
Zhang, Chunxiao
Xing, Xiqian
Funding for this research was provided by:
Beijing JST research (ZR-201921)
Article History
Received: 12 February 2021
Accepted: 16 August 2021
First Online: 24 August 2021
Declarations
:
: The study design was approved by the Ethics Committee of Beijing Jishuitan Hospital (No.201911–15). Given the retrospective nature of the study, the Ethics Committee determined that an informed consent was not necessary.
: Not applicable.
: The authors declare that they have no competing interests.