1. Department of Computer Science, COMSATS University Islamabad, Islamabad, Pakistan
2. Faculty of Information and Communication Studies, University of the Philippines Open University, Los Baños, Philippines
3. College of Computer Engineering and Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi Arabia
4. Department of Electrical and Computer Engineering, College of Engineering, Anderson University, Anderson, SC, USA
5. Department of Computer Engineering and Networks, College of Computer and Information Sciences, Jouf University, Sakaka, Saudi Arabia
6. Computer Science Department, Faculty of Computers and Information Technology, University of Tabuk, Tabuk, Saudi Arabia
7. Faculty of Management, Comenius University in Bratislava, Bratislava, Slovakia