Luo, Chun
Duan, Zemeng
Shang, Kelei
Tan, Xiaoguang
Article History
Received: 1 December 2020
Accepted: 7 May 2021
First Online: 24 May 2021
Declarations
:
: This study was approved by the institutional ethical review boards of all involved hospitals.
: The authors declare no competing interests.
: All procedures performed in the study involving human participants were in accordance with the ethical standards of the institutional review board/international ethics committee for each center and with the 1964 Helsinki declaration and its later amendments. This article does not contain any studies with animals performed by any of the authors.
: All patients provided informed consent preoperatively.