1. Department of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, Tallinn, Estonia
2. Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran
3. Department of Electrical and Computer Engineering, Western University, London, ON, Canada
4. Department of Electrical Engineering and Automation, Aalto University, Espoo, Finland
5. Faculty of Engineering and Information Technology, University of Technology Sydney, Ultimo, NSW, Australia
6. Faculty of Engineering and Information Sciences, School of Electrical, Computer and Telecommunications Engineering, University of Wollongong, Wollongong, NSW, Australia