1. Institute of Nuclear & Radiological Sciences & Technology, Energy & Safety, National Center for Scientific Research “Demokritos”, Athens, Greece + Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece
2. Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece
3. Institute of Nuclear & Radiological Sciences & Technology, Energy & Safety, National Center for Scientific Research “Demokritos”, Athens, Greece