1. FOSS Research Centre for Sustainable Energy, Department of Electrical and Computer Engineering, University of Cyprus, Nicosia 1678, Cyprus
2. ENAL Electromagnetics and Novel Applications Lab, Department of Electrical and Computer Engineering, University of Cyprus, Nicosia 1678, Cyprus
3. Department of Mechanical and Manufacturing Engineering, University of Cyprus, Nicosia 1678, Cyprus
4. High Voltage Laboratory, Electrical and Computer Engineering Department, University of Patras, 26504 Rion-Patras, Greece
5. Department of Medical Physics and Biomedical Engineering, University College London, WC1E 6BT London, United Kingdom