1. Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
2. “Klaus Müller” Magnetic Resonance Laboratory, University of Trento, Via Sommarive 9, 38123 Trento, Italy
3. Department of Materials Science, INSTM, University of Milano-Bicocca, Via R. Cozzi 55, 20125 Milano, Italy