Yao, Mengwei
Li, Wenman
Duan, Zihong
Zhang, Yinliang
Jia, Rong
Funding for this research was provided by:
National Natural Science Foundation of China (31570102,31070109)
Article History
Received: 15 March 2017
Accepted: 8 September 2017
First Online: 12 September 2017
Competing interests
: The authors declare that they have no competing interests.
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