1. Planetary Environments Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.
2. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA.
3. School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85281, USA.
4. Center for Research and Exploration in Space Science and Technology, University of Maryland College Park, College Park, MD 20742, USA.
5. Department of Atmospheric, Oceanic and Space Sciences, University of Michigan, Ann Arbor, MI 48109-2143, USA.
6. NASA Postdoctoral Program, Oak Ridge Associated Universities, Oak Ridge, TN 37831, USA.
7. Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, USA.
8. NASA Johnson Space Flight Center, Houston, TX 77058, USA.
9. Office of the President, Worcester Polytechnic Institute, Worcester, MA 01609, USA.
10. Goddard Earth Sciences Technology and Research (GESTAR)/Universities Space Research Association (USRA) NASA Goddard Space Flight Center Greenbelt, MD 20771, USA.
11. Universidad Nacional Autónoma de México, Ciudad Universitaria, México D.F. 04510, Mexico.
12. Institute for Astronomy, University of Hawaii, Honolulu, HI 96822, USA.
13. Geophysical Laboratory, Carnegie Institution of Washington, Washington, DC 20015, USA.
14. School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA.