1. Department of Physics and Astronomy University of Texas at San Antonio TX USA
2. Space Science and Engineering Division Southwest Research Institute San Antonio TX USA
3. Department of Astrophysical Sciences Princeton University Princeton NJ USA
4. Laboratory for Atmospheric and Space Physics University of Colorado Boulder CO USA
5. Denali Scientific Healy AK USA
6. Planetary Science Institute Tucson AZ USA
7. The Johns Hopkins University Applied Physics Laboratory Laurel MD USA
8. Jet Propulsion Laboratory Pasadena CA USA
9. Department of Space and Climate Physics, Mullard Space Science Laboratory University College London Dorking UK