1. Department of Information Technology, University of Sialkot, Pakistan
2. Department of Computer Science, Capital University of Science and Technology, Islamabad, Pakistan
3. Department of Information Systems, College of Computer and Information Sciences, King Saud University, Riyadh 11543, Saudi Arabia
4. School of Digital Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong BE1410, Brunei Darussalam
5. Department of Information and Communication Technology, University of Agder (UiA), N-4898 Grimstad, Norway