1. National Research Council, Institute for Microelectronics and Microsystems, Via del Fosso del Cavaliere 100, 00133 Rome, Italy
2. Biophysics Institute, Johannes Kepler University, Gruberstrasse 40, 4020 Linz, Austria
3. Keysight Technologies Austria GmbH, Gruberstrasse 40, 4020 Linz, Austria