Tan, Xianzheng
Ma, Zelan
Yan, Lifen
Ye, Weitao
Liu, Zaiyi
Liang, Changhong http://orcid.org/0000-0001-8267-150X
Article History
Received: 28 February 2018
Revised: 23 May 2018
Accepted: 1 June 2018
First Online: 19 June 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Changhong Liang.
: 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.
: No complex statistical methods were necessary for this paper.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • retrospective• diagnostic or prognostic study• performed at one institution