1. Southwest Research Institute, San Antonio, TX 78238, USA.
2. Institute for Space Astrophysics and Planetology, National Institute for Astrophysics, 00133 Rome, Italy.
3. Jet Propulsion Laboratory/Caltech, Pasadena, CA 91109, USA.
4. Goddard Institute for Space Studies, New York, NY 10025, USA.
5. University of Michigan, Ann Arbor, MI 48109, USA.
6. Harvard University, Cambridge, MA 02138, USA.
7. Space Research Corporation, Annapolis, MD 21403, USA.
8. NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.
9. Laboratoire d’Études Spatiales et d’Instrumentation en Astrophysique, Observatoire de Paris, 92195 Meudon, France.
10. Université Côte d’Azur, Observatoire de la Côte d’Azur, Laboratoire Lagrange CNRS, 06304 Nice, France.
11. Planetary Science Institute, Tucson, AZ 85719, USA.
12. Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, USA.
13. Sapienza University of Rome, 00185 Rome, Italy.
14. California Institute of Technology, Pasadena, CA 91125, USA.
15. National Space Institute, Technical University of Denmark, 2800 Kongens Lyngby, Denmark.
16. Department of Earth and Planetary Sciences, Weizmann Institute of Science, Rehovot 76100, Israel.
17. Cornell University, Ithaca, NY 14853, USA.
18. Institute for Astronomy, University of Hawaii at Manoa, Honolulu, HI 96822, USA.
19. Malin Space Science Systems, San Diego, CA 92121, USA.
20. Center for Space Technology and Research, Georgia Institute of Technology, Atlanta, GA 30332, USA.
21. Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, CA 90095, USA.
22. Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO 80303, USA.