Du, Baozhen
Yu, Mei
Jiang, Gangyi
Zhang, Yun
Zhu, Tianzhi
Funding for this research was provided by:
National Natural Science Foundation of China (U1301257)
National Natural Science Foundation of China (61671258)
Article History
Received: 1 December 2016
Accepted: 10 April 2018
First Online: 26 April 2018
Competing interests
: The authors declare that they have no competing interests.
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