1. Department of Electronics Engineering, City University of Hong Kong, Kowloon, Hong Kong
2. Faculty of Computer Science and Engineering, Ghulam Ishaq Khan Institute of Engineering Sciences and Technology, Swabi, Pakistan
3. Department of Computer Science, Sarhad University of Science & IT, Peshawar, Pakistan
4. Department of Electrical Engineering, COMSATS Institute of Information Technology – Wah Campus, Wah, Pakistan