1. Department of Electrical, Electronic and Computer Engineering, University of Ulsan, Ulsan, Republic of Korea
2. School of Computer Science and Statistics, Trinity College Dublin, The University of Dublin, Dublin 2, Ireland
3. Faculty of Electronics Technology, Industrial University of Ho Chi Minh City, Ho Chi Minh City, Vietnam
4. Department of Electrical Engineering, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia