1. Mobile Cloud Computing Research Lab, Faculty of Computer Science and Information Technology, University of Malaya, 50603 Kuala Lumpur, Malaysia
2. Department of Computer Science, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
3. Department of Computer Science, University of Engineering and Technology Peshawar, Peshawar 2500, Pakistan
4. Saudi Electronic University, Riyadh, Saudi Arabia
5. Universiti Kuala Lumpur, 50603 Kuala Lumpur, Malaysia