Xu, Xuewen
Ji, Jing
Xu, Qiang
Qi, Xiaohua
Chen, Xuehao
Funding for this research was provided by:
National Natural Science Foundation of China (31372087)
Article History
Received: 19 September 2016
Accepted: 7 December 2016
First Online: 17 December 2016
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.