1. Department of Information Systems, Faculty of Computer Sciences and Information Technology Universiti Malaya Kuala Lumpur Malaysia
2. Department of Information Technology, Faculty of Computing and Information Technology King Abdulaziz University Jeddah Saudi Arabia
3. Department of Computer and Electronic Systems Engineering Hankuk University of Foreign Studies Yongin South Korea
4. Department of Computing Macquarie University Sydney New South Wales Australia
5. Information and Communication Technology Department, School of Electrical and Computer Engineering Xiamen University Malaysia Sepang Malaysia