Li, Wanyue http://orcid.org/0000-0002-9419-6256
Cheng, Zifang
Song, Yanan
Fang, Yifan
Yang, Ming
Zhang, Maonian
Article History
Received: 27 February 2021
Accepted: 21 May 2021
First Online: 13 June 2021
Declarations
:
: The authors declare no conflicts of interest.
: This study was approved by the Chinese PLA General Hospital clinical research ethics committee (No. S2019-326-02, February 25, 2020).
: This was a retrospective study in which de-privatized data was extracted from the electronic medical record system so informed consent were not needed.