Wang, Shizhi
Ma, Gaoxiang
Zhu, Haixia
Lv, Chunye
Chu, Haiyan
Tong, Na
Wu, Dongmei
Qiang, Fulin
Gong, Weida
Zhao, Qinghong
Tao, Guoquan
Zhou, Jianwei
Zhang, Zhengdong
Wang, Meilin
Article History
Received: 10 February 2016
Accepted: 17 October 2016
First Online: 9 November 2016
Competing interests
: The authors declare no competing financial interests.