1. Department of Electrical and Computer Engineering, Rowan University, Glassboro, NJ, USA
2. Department of Computer Science and Software Engineering, Monmouth University, West Long Branch, NJ, USA
3. School of Creative Technologies, University of Portsmouth, Portsmouth, U.K.
4. Department of Informatics, Modeling, Electronics, and Systems, University of Calabria, Arcavacata, Italy
5. Institute of Automation Chinese Academy of Sciences, Beijing, China
6. School of Computing, Edinburgh Napier University, Edinburgh, U.K.