Li, Hongyan
Sun, Zhengxing
Funding for this research was provided by:
Key Natural Science Fund of Nanjing College of Information Technology (YK20170401)
Innovation Fund of State Key Laboratory for Novel Software Technology (ZZKT2016A11)
Article History
Received: 23 April 2018
Accepted: 27 June 2019
First Online: 2 July 2019
Compliance with ethical standards
:
: The authors declares that they have no conflict of interest.