Jin, Shupei
Qiao, Yinghua
Xing, Jun
Article History
Received: 17 November 2017
Revised: 13 February 2018
Accepted: 20 March 2018
First Online: 13 April 2018
Compliance with ethical standards
: The study has been approved by the Hospital of Wuhan University Ethics Committee and has been performed in accordance with the ethical standards.
: Informed consent was obtained from all individual participants included in the study.
: The authors declare that there is no conflict of interest and all the authors have materially participated in the research and/or article preparation.