Xu, Lining
Xu, Yingying
Li, Guiping
Yang, Bo
Article History
Received: 23 January 2022
Accepted: 10 November 2022
First Online: 9 December 2022
Declarations
:
: This study was approved by the ethics committee of Chinese PLA General Hospital. This study has been performed in accordance with the ethical standards laid down in the Declaration of Helsinki. This is a retrospective study, so informed consent is not involved.
: This study did not contain any identification information about patients, comply with the principle of informed consent.
: No benefits in any form have been received or will be received from a commercial party related directly or indirectly to the subject of this article. On behalf of all authors, the corresponding author states that there is no conflict of interest.