1. Department of Computer and Software Technology, University of Swat, Swat, Khyber Pakhtunkhwa, Pakistan
2. College of Technological Innovation, Zayed University, Abu Dhabi, United Arab Emirates
3. Center of Excellence in IT, Institute of Management Sciences, Peshawar, Pakistan
4. Department of Computer Science, Jouf University, Sakaka, Al Jowf, Saudi Arabia
5. School of Computer Science, University of Hull, Hull, U.K.