1. Institute of Computing, Kohat University of Science and Technology, Kohat, Pakistan
2. Department of Computer Science, Al Ain University, Al Ain, United Arab Emirates
3. Department of Information Systems, College of Computer and Information Sciences, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
4. Computer Science Department, Faculty of Computers and Information, South Valley University, Qena, Egypt