Jiang, X.-M.
Sun, R.-X.
Huang, W.-H.
Yu, J.-P.
Article History
Received: 31 July 2018
Accepted: 29 October 2018
First Online: 17 November 2018
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: Approval from the local ethics committee was obtained.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: All patients signed operation agreement letters before surgery.