1. Earth, Planetary and Space Sciences University of California Los Angeles CA USA
2. Planetary Science Institute Tucson AZ USA
3. Department of Geology and Geophysics University of Hawai'i at Mānoa Honolulu HI USA
4. Hawaii Institute of Geophysics and Planetology Honolulu HI USA
5. Department of Earth Sciences University of Western Ontario London ON Canada
6. Astrophysical and Planetary Sciences University of Colorado Boulder Boulder CO USA
7. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder CO USA
8. Department of Earth Sciences Southern Methodist University Dallas TX USA
9. Jet Propulsion Laboratory California Institute of Technology Pasadena CA USA