Funding for this research was provided by:
National Natural Science Foundation of China (61673190/F030101)
Article History
Received: 11 November 2019
Accepted: 23 January 2020
First Online: 6 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest. The article is considered for publication on the understanding that the article neither has been published nor will be published anywhere else before being published in the journal of <i>Neural Computing and Applications</i>.