Wang, Xiangxi
Yang, Yong
Li, Ruoyu
Yu, Jin
Article History
Received: 15 September 2017
Accepted: 18 December 2017
First Online: 17 January 2018
Compliance with Ethical Standards
:
: The authors declare that there are no conflicts of interest.
: Written informed consent was obtained from the patients for the publication of this manuscript and any accompanying images.