1. School of Software, Dalian University of Science and Technology, Dalian, Liaoning, China
2. Department of Computer Science, Abdul Wali Khan University Mardan (AWKUM), Mardan, Pakistan
3. School of Science, Engineering and Information Technology, Federation University, Mount Helen, VIC, Australia
4. School of Electronic Engineering, Dublin City University, Dublin, Ireland
5. Department of Computer Science, COMSATS University Islamabad, Wah Campus, Islamabad, Pakistan