Wang, Zhanhuai
Ye, Yao
Hu, Yeting
Han, Shugao
Sun, Lifeng
Xu, Dong
Ding, Kefeng http://orcid.org/0000-0002-2380-3717
Article History
Received: 18 June 2018
Revised: 14 July 2018
Accepted: 30 July 2018
First Online: 25 September 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Prof. Kefeng Ding.
: 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.
: Dr. Zexing Chen kindly provided statistical advice for this manuscript.
: Written informed consent was obtained from all subjects (patients) in this study.
: Institutional review board approval was obtained.
: • retrospective• observational• performed at one institution