1. Electrodynamics and Physical Electronics Group, Brandenburg University of Technology, 03046 Cottbus, Germany
2. Institute of Theoretical Electrical Engineering, Ruhr University Bochum, 44780 Bochum, Germany
3. Innovations for High Performance (IHP), 15236 Frankfurt (Oder), Germany
4. Brandenburg Medical School Theodor Fontane, 16816 Neuruppin, Germany