Tian, Yinglun
Xu, Nanfang
Yan, Ming
Passias, Peter G.
Segreto, Frank A.
Wang, Shenglin http://orcid.org/0000-0002-5811-4145
Article History
Received: 12 March 2020
Accepted: 1 December 2020
First Online: 7 December 2020
Ethics approval and consent to participate
: This was a retrospective study and no formal ethics approval was required as ruled by the ethics committee of Peking University Third Hospital.
: Not applicable.
: The authors declare that they have no competing interests.