Li, Liangliang http://orcid.org/0000-0001-9093-8892
Fu, Jun
Xu, Chi
Guan, Haitao
Ni, Ming
Chai, Wei
Hao, Libo
Zhou, Yonggang
Chen, Jiying
Article History
Received: 3 September 2020
Accepted: 2 November 2020
First Online: 18 November 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of Chinese PLA general hospital. Consent to participate is not applicable for this retrospective study.
: Not applicable.
: The authors declare that they have no competing interests.