1. Center for Biomolecular Nanotechnologies @UNILE, Istituto Italiano di Tecnologia, Via Barsanti, I-73010 Arnesano, Italy
2. Department of Mathematics and Physics “E. De Giorgi,” University of Salento, Via Arnesano, Lecce, Italy
3. Institute for Microelectronics and Microsystems (CNR-IMM), Via Monteroni, Campus Unisalento, 73100 Lecce, Italy