Yuan, Mei
Zhang, Yu-Dong
Pu, Xue-Hui
Zhong, Yan
Li, Hai
Wu, Jiang-Fen
Yu, Tong-Fu
Article History
Received: 18 December 2016
Revised: 4 April 2017
Accepted: 12 April 2017
First Online: 18 May 2017
Compliance with ethical standards
:
: The scientific guarantor of this publication is Hai-Bin Shi.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: The authors state that this work has not received any funding.
: Yao Liu kindly provided statistical advice for this manuscript.
: Institutional Review Board approval was obtained.
: Written informed consent was waived by the Institutional Review Board.
: • retrospective• diagnostic or prognostic study• performed at one institution