Zhang, Yong-wu
Liu, Ye
Lian, Hai
Zhang, Fei
Zhang, Shou-feng
Hu, Rong-liang
Funding for this research was provided by:
National Natural Science Foundation of China (31372456)
National Natural Science Foundation of China (31472214)
Science and Technology Development Foundation of Jilin Province (20130101092JC)
Article History
Received: 6 September 2015
Accepted: 31 October 2015
First Online: 14 November 2015
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.