1. Department of Electronic and Computer Engineering, Faculty of Electrical Engineering, Universiti Teknologi Malaysia, Johor Bahru, Malaysia
2. Interdisciplinary Research Center for Intelligent Secure Systems, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia
3. College of Engineering, University of Buraimi, Buraimi, Oman
4. Department of Mathematics and Computer Science, Faculty of Science, Abdulrahman Al-Sumait University, Zanzibar, Tanzania