Han, Bo http://orcid.org/0000-0002-3618-5700
Ding, Hongtao
Hai, Yong http://orcid.org/0000-0002-7206-325X
Liu, Yuzeng
Guan, Li
Pan, Aixing
Zhang, Xinuo
Yin, Peng
Article History
Received: 29 September 2021
Accepted: 26 April 2022
First Online: 20 May 2022
Declarations
:
: Approval was obtained from the ethics committee of Beijing Chao-Yang Hospital. The procedures used in this study adhere to the tenets of the Declaration of Helsinki. Informed consent was waived because of the retrospective study design, which was approved by the appropriate ethics review board (No.2019-KE-264).
: Not applicable.
: The authors declare that there is no conflicts of interest.