1. Office of Space Research and Technology; Academy of Athens; Athens Greece
2. Department of Physics and Astronomy; University College London; London UK
3. Centre for Planetary Sciences; UCL/Birkbeck; London UK
4. Institute of Space and Astronautical Science; JAXA; Sagamihara Kanagawa Japan
5. The Johns Hopkins University; Applied Physics Laboratory; Laurel Maryland USA
6. Los Alamos National Laboratory; Los Alamos New Mexico USA
7. Department of Physics; University of Maryland; College Park Maryland USA
8. Space and Atmospheric Physics Group, The Blackett Laboratory; Imperial College London; London UK
9. Mullard Space Science Laboratory, Department of Space and Climate Physics; University College London; Surrey UK
10. The Centre for Planetary Sciences at UCL/Birkbeck; London UK