Xu, Shu-Zhen
Yan Liang,
Li, Xiang-Pei
Li, Xiao-Mei
Shuai, Zong-Wen
Leng, Rui-Xue
Pan, Hai-Feng
Ye, Dong-Qing
Article History
Received: 10 October 2017
Revised: 20 December 2017
Accepted: 27 February 2018
First Online: 8 March 2018
Compliance with ethical standards
:
: None.
: This study was conducted with the approval of the ethics committee of Anhui Medical University and according to the Declaration of Helsinki principles.