Xu, Biao
Ma, Rui
Zhang, Wen-sheng
Zhang, Qiang
Zhao, Chang-song
Wang, Jie
Funding for this research was provided by:
Beijing Municipal Science & Technology Commission (Z191100006619060)
Article History
Received: 23 May 2021
Accepted: 11 October 2021
First Online: 2 November 2021
Declarations
:
: This retrospective study was approved by the ethical committee of Beijing Ditan Hospital, Capital Medical University and performed in accordance with the ethical standards of the 1964 Declaration of Helsinki. And all participants signed informed consent for publication.
: Not applicable.
: The authors declare that they have no competing interests.