1. Mullard Space Science Laboratory, Department of Space & Climate PhysicsUniversity College London Dorking UK
2. The Centre for Planetary Science at UCL/Birkbeck London UK
3. Harvard‐Smithsonian Center for Astrophysics, Smithsonian Astrophysical Observatory Cambridge MA USA
4. NASA Marshall Space Flight Center Huntsville Alabama USA
5. European Space Astronomy Centre Madrid Spain
6. Space Science and Engineering Division, South West Research Institute San Antonio Texas USA
7. Kavli Institute of Astrophysics and Space Research, MIT Cambridge MA USA
8. Laboratoire de Physique Atmospherique et Planetaire, Universite de Liege Liege Belgium
9. The Johns Hopkins University Applied Physics Laboratory Laurel MD USA
10. Department of PhysicsLancaster University Lancaster UK
11. Department of Physics and AstronomyUniversity of Leicester Lancaster UK
12. Department of Physics and AstronomyUniversity of Southampton Southampton UK