Ren, Linzhu
Peng, Zhiyuan
Chen, Xinrong
Ouyang, Hongsheng
Funding for this research was provided by:
Jilin Province Science and Technology Development Projects (20140101123JC and 20150204077NY)
Fundamental Research Funds of Jilin University
Science and Technology Research Program during the Twelfth Five-year Plan Period of Jilin Educational Committee
the Program for Changjiang Scholars and Innovative Research Team in University (IRT1248)
Article History
Received: 16 October 2015
Accepted: 22 December 2015
First Online: 4 January 2016
Compliance with Ethical Standards
:
: The authors declare that they have no competing interests.
Free to read: This content has been made available to all.