Li, Guangcai
Geng, Jianghui
Guo, Jiang
Zhou, Sen
Lin, Shuang
Funding for this research was provided by:
State Key Research and Development Programme (2016YFB0501802)
National Science Foundation of China (41674033)
Article History
Received: 20 September 2017
Accepted: 23 January 2018
First Online: 2 March 2018
Competing interests
: The authors declare that they have no competing interests.
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