Xu, Cuiping
Zhang, Xiaohua
Yan, Xiaoming
Ma, Kai
Wang, Xueyuan
Zhang, Xi
Ni, Duanyu
Qiao, Liang
Yu, Tao
Zhang, Guojun
Wang, Yuping
Li, Yongjie
Funding for this research was provided by:
Capital Medical University Natural Foundation (PYZ20119)
Beijing Natural Science Foundation (L182015)
Beijing Hospitals Authority' Ascent Plan (DFL20190801)
Article History
Received: 31 May 2021
Accepted: 29 July 2021
First Online: 4 September 2021
Declarations
:
: All procedures performed in studies involving human were in accordance with the ethical standards of the institutional or national research committee and with the 1964 Helsinki declaration and formal consent is not required for this type of retrospective study.
: The authors declare no competing interests.