Li, B.
Yu, J.
Qin, C.
Gong, D.
Nie, X.
Li, G.
Article History
Received: 11 July 2020
Accepted: 2 November 2020
First Online: 18 November 2020
Compliance with ethical standards
:
: The authors report no conflicts of interest.
: This study was approved by the institutional ethical review boards of all involved hospitals.
: 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.