1. School of Electronics, Electrical Engineering and Computer Science, Queen's University Belfast, Belfast, U.K.
2. Department of Electrical and Electronic Engineering, Sunyani Technical University, Sunyani, Ghana
3. Department of IT Convergence Engineering, Kumoh National Institute of Technology, Gumi, South Korea
4. Faculty of Engineering and Applied Science, Memorial University, St. John's, NL, Canada
5. Kyung Hee University, Gyeonggi-do, South Korea