Fei, Xiaobin
Jia, Wenqing
Gao, Heng
Yang, Chenlong
Li, Da
Qian, Zenghui
Han, Bo
Wang, Dejiang
Xu, Yulun http://orcid.org/0000-0001-8365-1930
Article History
Received: 19 May 2020
Revised: 8 July 2020
Accepted: 28 July 2020
First Online: 7 August 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The work was approved by the Institutional Review Board of Beijing Tiantan Hospital.
: Informed consent was not sought as a retrospective design was used.