Li, Jing
Fang, Mengjie
Wang, Rui
Dong, Di
Tian, Jie
Liang, Pan
Liu, Jie
Gao, Jianbo
Funding for this research was provided by:
National Natural and Science Fund of China (81271573)
Article History
Received: 19 January 2018
Revised: 5 April 2018
Accepted: 12 April 2018
First Online: 4 June 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Jianbo Gao.
: 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 of Zhengzhou University.
: Institutional Review Board approval was obtained.
: • retrospective• diagnostic or prognostic study• performed at one institution