1. Calzavara, Udine, Friuli Venezia Giulia, Italy
2. Department of Electrical Engineering and Information Technologies, University of Napoli Federico II, Naples, Italy
3. Dipartimento Politecnico di Ingegneria e Architettura, University of Udine, Udine, Friuli-Venezia Giulia, Italy
4. PSS, Infineon Technologies AG, Villach, Austria