Funding for this research was provided by:
the National Nature Science Foundation of China (No. 81525014)
the Jiangsu Provincial Special Program of Medical Science (BL2013029)
The Key Research and Development Program of Jiangsu Province (BE2016782)
Article History
Received: 25 October 2017
Revised: 17 December 2017
Accepted: 29 December 2017
First Online: 15 February 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Shenghong Ju.
: 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 obtained from all subjects (patients) in this study.
: Institutional Review Board approval was obtained.
: • observational• performed at one institution