1. School of Mathematics and Computer Science, University of Wolverhampton, Wolverhampton, U.K.
2. Department of Mechanical Engineering, College of Engineering, Universiti Malaysia Pahang, Kuantan, Pahang, Malaysia
3. School of Engineering and Information Technology, UNSW Canberra, Canberra, ACT, Australia
4. School of Information Technology, Deakin University, Geelong, VIC, Australia
5. Faculty of Computing Universiti Malaysia Pahang, Kuantan, Pahang, Malaysia