He, Xiangmeng
Liu, Ming
Liu, Chao
Fang, Jing
Xu, Yujun
Wang, Ligang
Xiang, Jianfeng
Sequeiros, Roberto Blanco
Li, Chengli
Funding for this research was provided by:
Shandong Science and Technology development plan (2014GGH218005)
Article History
Received: 9 March 2018
Revised: 24 April 2018
Accepted: 7 May 2018
First Online: 12 June 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Chengli Li.
: 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.
: All authors kindly provided statistical advice for this manuscript.No complex statistical methods were necessary for this paper.
: Written informed consent was obtained from all subjects (patients) in this study.
: Institutional review board approval was obtained.
: • retrospective• diagnostic or prognostic study• performed at one institution