1. Planetary Sciences and Remote Sensing, Institute of Geological Sciences; Freie Universität Berlin; Berlin Germany
2. Physics of Earthquakes and Volcanoes; GFZ German Research Centre for Geosciences; Potsdam Germany
3. Geophysics, Institute of Geological Sciences; Freie Universität Berlin; Berlin Germany
4. Planetary Science Institute; Tucson Arizona USA
5. Max Planck Institute for Solar System Research; Göttingen Germany
6. Ronald Greeley Center for Planetary Studies, School of Earth and Space Exploration; Arizona State University; Tempe Arizona USA