Lin, Hualiang
Liu, Tao
Xiao, Jianpeng
Zeng, Weilin
Guo, Lingchuan
Li, Xing
Xu, Yanjun
Zhang, Yonghui
Chang, Jen Jen
Vaughn, Michael G
Qian, Zhengmin
Ma, Wenjun
Article History
Received: 25 May 2016
Accepted: 23 August 2016
First Online: 2 November 2016
Competing interests
: The authors declare no conflict of interest.