Wang, DengLiang
Kang, Quan
Shi, ShuJun
Hu, Wei
Article History
Accepted: 12 June 2018
First Online: 16 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was not obtained due to the retrospective nature of the report.