Funding for this research was provided by:
Research grant of Beijing Friendship Hospital (YYQDKT 2018-12)
Received: 9 February 2022
Accepted: 18 May 2022
First Online: 25 May 2022
: The Institutional Review Board of Beijing Friendship Hospital, Capital Medical University, reviewed and approved this retrospective study (No.2020-P2-043–02). Informed consent was waived by The Institutional Review Board of Beijing Friendship Hospital, Capital Medical University because of the retrospective study design. This study is reported in accordance with Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) guidelines.
: Not applicable.
: The authors declare that they have no competing interests.