1. Jet Propulsion Laboratory, Pasadena, California, USA.
2. Mars Program Office, Jet Propulsion Laboratory, Pasadena, California, USA.
3. NASA Headquarters, Washington, DC, USA.
4. ESA, Noordwijk, the Netherlands.
5. SETI, Mountain View, California, USA.
6. Department of Earth and Space Sciences, University of Washington, Seattle, Washington, USA.
7. Center for Molecular Biophysics, National Center for Research and Science, Orléans, France.