Liu, Qing
Lai, Qi
Li, Ning
Su, Xingguang
Funding for this research was provided by:
National Natural Science Foundation of China (21275063, 21575048)
Science and Technology Development project of Jilin province (20150204010GX)
Graduate Innovation Fund of Jilin University (2017077)
Article History
Received: 6 September 2017
Accepted: 30 November 2017
First Online: 17 February 2018
Compliance with ethical standards
: The author(s) declare that they have no competing interests.