Wang, Guodong
Li, Yang
Liu, Ping
Sun, Jianmin
Article History
Received: 8 October 2020
Revised: 7 January 2021
Accepted: 20 January 2021
First Online: 3 February 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Permission to conduct this retrospective study was obtained from the authors’ hospital ethics committee.
: All the patients included consent to participate in the retrospective study.
: All the patients included, as well as the hospital ethics committee, con consent for publication of the retrospective study.