1. Department of Electrical and Electronic Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Sungai Long Campus, Selangor, Malaysia
2. Department of Systems and Computer Engineering, Carleton University, Ottawa, Canada
3. Department of Electrical and Electronic Engineering, University of Warwick, Coventry, U.K
4. Division of Computer Science and Informatics, School of Engineering, London South Bank University, London, U.K