Document is current
Any future updates will be listed below
-
Authors
-
Funding
Funding for this research was provided by:
Beijing JST research (ZR-201921)
- License Information
-
More Information
Article History
Received: 19 October 2020
Accepted: 28 February 2021
First Online: 6 March 2021
Declarations
:
: This study was conducted in accordance with the Declaration of Helsinki and 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 to this study.
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.
