1. College of Electrical Engineering, Zhejiang University, Hangzhou, P. R. China
2. Department of Electrical, Electronic and Computer Engineering, University of Pretoria, South Africa
3. Hochschule Bonn-Rhein-Sieg, University of Applied Sciences, Germany
4. Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, India
5. Department of Electrical Engineering, University of Sharjah, Sharjah, UAE
6. Centre of Excellence in Intelligent Engineering Systems (CEIES), King Abdulaziz University, Jeddah, Saudi Arabia
7. School of Engineering and Computer Science, Victoria University of Wellington, Wellington, New Zealand