1. School of Mathematics and Computer Science, University of Wolverhampton, Wolverhampton, U.K
2. Faculty of Computing, University Malaysia Pahang, Pekan, Pahang, Malaysia
3. School of Computing and Digital Technology, Birmingham City University, Birmingham, U.K.
4. School of Engineering and Information Technology, UNSW Canberra, Canberra, ACT, Australia
5. Department of Chemical Engineering and Polymer Science, Shahjalal University of Science and Technology, Sylhet, Bangladesh
6. School of Computer Science and Engineering, University of New South Wales, Sydney, NSW, Australia
7. Department of Computer Science and Information Engineering, Asia University, Taichung, Taiwan