1. Department of Computer Science, COMSATS University Islamabad, Islamabad, Pakistan
2. Robotics and Internet-of-Things Laboratory, Prince Sultan University, Riyadh, Saudi Arabia
3. Faculty of Information and Communication Studies, University of the Philippines Open University, Los Baños, Philippines
4. College of Computing and Information Technologies, National University, Manila, Philippines
5. Department of Computer Engineering and Networks, College of Computer and Information Sciences, Jouf University, Sakaka, Saudi Arabia