Chen, Tong http://orcid.org/0000-0001-6042-0160
Liu, Jiqiang
Xiang, Yingxiao
Niu, Wenjia
Tong, Endong
Han, Zhen
Funding for this research was provided by:
National Natural Science Foundation of China (61672092)
Science and Technology on Information Assurance Laboratory (No.614200103011711)
Beijing Excellent Talent Training Project (No.BMK2017B02-2)
Fundamental Research Funds for the Central Universities (No.2017RC016)
Fundamental Research Funds for the Central Universities of China (2018JBZ103)
Article History
Received: 31 October 2018
Accepted: 12 February 2019
First Online: 29 March 2019
Competing interests
: The authors declare that they have no competing interests.
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