1. Corimav Pirelli, Department of Materials Science, University of Milano-Bicocca, Via R. Cozzi 55, 20125 Milan, Italy
2. Pirelli Tyre S.p.A., Research & Development, Material Advanced Research, Viale Piero e Alberto Pirelli 25, 20126 Milan, Italy
3. Department of Earth and Environmental Sciences, University of Milano-Bicocca, Piazza della Scienza 1, 20126 Milan, Italy