1. Department of Climate and Space Sciences and Engineering University of Michigan Ann Arbor MI USA
2. Department of Physics and Astronomy University of Iowa Iowa City IA USA
3. Department of Physics and Astronomy University of Leicester Leicester UK
4. The Johns Hopkins University Applied Physics Laboratory Laurel MD USA
5. Office of Space Research and Technology Academy of Athens Athens Greece
6. Institute for Astronomy, Astrophysics, Space Applications, and Remote Sensing National Observatory of Athens Athens Greece
7. Planetary Science Institute Tucson AZ USA