1. Laboratory of Experimental Tectonics University of Roma Tre Rome Italy
2. Natural and Experimental Tectonics Research Group University of Parma Parma Italy
3. Now at Jackson School of Geosciences University of Texas at Austin Austin TX USA
4. Department of Earth Sciences, Seismology and Wave Physics, Institute of Geophysics ETH Zürich Zürich Switzerland
5. Now at Institute of Geophysics and Tectonics, School of Earth and Environment University of Leeds Leeds UK
6. Department of Earth Sciences, Institute of Geological Sciences Freie Universität Berlin Berlin Germany
7. Helmholtz Centre Potsdam ‐ GFZ German Research Centre for Geosciences Potsdam Germany
8. Department of Earth Sciences Utrecht University Utrecht The Netherlands