University of Parma, University of Parma, Department of Mathematical, Physical and Computer Sciences, Institute for Microelectronics and Microsystems, (CNR-IMM) Agrate Unit, University of Parma, Department of Mathematical, Physical and Computer Sciences, University of Parma, Department of Mathematical, Physical and Computer Sciences, Institute of Materials for Electronics and Magnetism (CNR- IMEM), Centre for Energy Research, Institute of Technical Physics and Materials Science, Centre for Energy Research, Institute of Technical Physics and Materials Science, Centre for Energy Research, Institute of Technical Physics and Materials Science, Centre for Energy Research, Institute of Technical Physics and Materials Science, Wigner Research Centre for Physics, Institute for Particle and Nuclear Physics, University of Parma, Department of Mathematical, Physical and Computer Sciences and University of Parma, Department of Mathematical, Physical and Computer Sciences

University of Urbino Carlo Bo, University of Genoa, affiliation not provided to SSRN, University of Genoa, University of Parma, Department of Mathematical, Physical and Computer Sciences, University of Urbino Carlo Bo, University of Urbino Carlo Bo and University of Urbino Carlo Bo