Cao, Shengxuan
Wang, Chen
Ma, Xin
Wang, Xu
Huang, Jiazhang
Zhang, Chao
Funding for this research was provided by:
National Natural Science Foundation of China (81171670, 81472037, 81601862)
Article History
Received: 19 February 2018
Accepted: 11 April 2018
First Online: 22 May 2018
Competing interests
: The authors declare that they have no competing interests.
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