Wang, Na
Zhang, Liang
Yang, HuaGuang
Luo, XiaoGuang
Fan, GuoGuang http://orcid.org/0000-0001-8114-5727
Article History
Received: 30 July 2018
Revised: 25 December 2018
Accepted: 24 January 2019
First Online: 22 February 2019
Compliance with ethical standards
:
: The scientific guarantor of this publication is Dr. GuoGuang Fan.
: 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. XiaoGuang Luo 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.
: • cross-sectional study• performed at one institution