1. Institut d'Astrophysique Spatiale, Université Paris-Sud, Orsay, France.
2. Planetary Science Institute, Tucson, Arizona, USA.
3. LPGN, CNRS-Univ-Nantes, Nantes, France.
4. SETI Institute and NASA Ames Research Center, Mountain View, California, USA.
5. Department of Astronomy, Cornell University, Ithaca, New York, USA.
6. Department of Earth and Planetary Sciences, University of California Santa Cruz, Santa Cruz, California, USA.
7. Department of Electrical Engineering, Stanford University, Stanford, California, USA.
8. Institute of Planetary Research, DLR, Berlin, Germany.
9. IFSI-INAF, Rome, Italy.
10. Astromaterials Research and Exploration Science, NASA Johnson Space Center, Houston, Texas, USA.