1. School of Software, Dalian University of Science and Technology, Dalian, China
2. Department of Computer Science, COMSATS University Islamabad, Wah campus, Pakistan
3. Department of Computer Science and the Department of Electrical Engineering of the Technion, Haifa, Israel
4. School of Electronic Engineering, Dublin City University, 9 Dublin, Ireland
5. Department of Computer Science, Abdul Wali Khan University Mardan, Pakhtunkhwa, Pakistan