Jiang, Yulian
Wang, Hongquan
Wang, Shenquan
Funding for this research was provided by:
National Natural Science Foundation of China (61503045, 61403044)
Article History
Received: 15 October 2016
Accepted: 24 March 2017
First Online: 22 April 2017
Compliance with ethical standards
:
: This study was funded by the Natural Science Foundation of China (grant number 61503045, 61403044) and the Science and Technology of Education Department of Jilin Province (grant number 2016337).
: The authors declare that they have no conflict of interest.