1. SustainRD, ESTSetúbal, Polytechnic Institute of Setúbal, Setúbal, Portugal
2. ISEL—Instituto Politécnico de Lisboa, Lisbon, Portugal
3. Department of Electrical, Electronic and Control Engineering, University of Extremadura, Badajoz, Spain
4. Faculty of Engineering and Applied Sciences, Universidad de los Andes, Santiago, Chile
5. Department of Electrical Engineering, Technical University of Denmark, Kongens Lyngby, Denmark