1. Division of Geological and Planetary Sciences; California Institute of Technology; Pasadena California USA
2. Jet Propulsion Laboratory; California Institute of Technology; Pasadena California USA
3. Department of Space Studies; Southwest Research Institute; Boulder Colorado USA
4. Department of Earth and Space Sciences; University of Washington; Seattle Washington USA
5. School of Earth and Space Exploration; Arizona State University; Tempe Arizona USA
6. NASA Marshall Space Flight Center; Huntsville Alabama USA
7. NASA Sagan Fellow
8. Department of Physics and Astronomy; Northern Arizona University; Flagstaff Arizona USA
9. Department of Astronomy and Carl Sagan Institute; Cornell University; Ithaca New York USA
10. Department of Earth and Atmospheric Sciences; University of Alberta; Edmonton Alberta Canada
11. Department of Earth, Atmospheric, and Planetary Sciences; Purdue University; West Lafayette Indiana USA
12. Laboratory for Atmospheric and Space Physics; University of Colorado Boulder; Boulder Colorado USA
13. The Johns Hopkins University Applied Physics Laboratory; Laurel Maryland USA
14. Department of Geosciences; Penn State University; University Park Pennsylvania USA
15. Niels Bohr Institute; University of Copenhagen; Copenhagen Denmark
16. Department of Geophysical Sciences; University of Chicago; Chicago Illinois USA
17. Solar System Exploration Division; NASA Goddard Space Flight Center; Greenbelt Maryland USA
18. Laboratoire Planétologie et Géodynamique de Nantes, UMR6112; CNRS and Université de Nantes; Nantes Cedex 3 France
19. NASA Johnson Space Center; Houston Texas USA
20. Department of Earth, Environmental and Planetary Science; Brown University; Providence Rhode Island USA
21. Laboratoire de Géologie de Lyon: Terre; Planètes, Environnement, Université Lyon 1/Ecole Normale Supérieure de Lyon/CNRS; Villeurbanne France
22. Geology Department, Physics and Astronomy Department; Western Washington University; Bellingham Washington USA
23. Department of Earth and Planetary Sciences; University of California; Davis California USA
24. IRAP; Université de Toulouse, CNRS, UPS; Toulouse France
25. Earth-Life Science Institute; Tokyo Institute of Technology; Tokyo Japan
26. Department of Earth, Atmospheric, and Planetary Sciences; Massachusetts Institute of Technology; Cambridge Massachusetts USA
27. Centre for Earth Evolution and Dynamics, Department of Geosciences; University of Oslo; Oslo Norway
28. Harvard Paulson School of Engineering and Applied Sciences; Harvard University; Cambridge Massachusetts USA
29. Department of Earth and Planetary Sciences; Harvard University; Cambridge Massachusetts USA
30. School of Earth and Atmospheric Sciences; Georgia Institute of Technology; Atlanta Georgia USA
31. Planetary Science Institute; Tucson Arizona USA
32. Space Science Division; NASA Ames Research Centre; Moffett Field California USA