1. Department of Computer Science, College of Education for Pure Science (Ibn Al-Haitham), University of Baghdad, Iraq
2. Centre of Advanced Electronic and Communication Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Malaysia
3. School of Information Technology, Monash University, Bandar Sunway 47500, Malaysia
4. Department of Computer Science and Software Engineering, Xi’an Jiaotong-Liverpool University, Suzhou, China