1. Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China.
2. College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, China.
3. Mullard Space Science Laboratory, University College London, Dorking, UK.
4. Harvard-Smithsonian Center for Astrophysics, Smithsonian Astrophysical Observatory, Cambridge, MA, USA.
5. The Centre for Planetary Science at UCL/Birkbeck, Gower Street, London WC1E 6BT, UK.
6. British Antarctic Survey, Cambridge, UK.
7. Applied Physics Laboratory, Johns Hopkins University, Laurel, MD, USA.
8. Space Science and Engineering Division, Southwest Research Institute, San Antonio, TX, USA.
9. Department of Physics and Astronomy, University of Texas at San Antonio, San Antonio, TX, USA.
10. Laboratoire de Physique Atmosphérique et Planétaire, STAR institute, Université de Liège, Liège, Belgium.
11. Northumbria University, Newcastle upon Tyne, UK.
12. Department of Space Physics, School of Electronic Information, Wuhan University, Wuhan, Hubei, China.
13. CAS Center for Excellence in Comparative Planetology, Hefei, Anhui, China.
14. European Space Agency (ESA), European Space Astronomy Centre (ESAC), Camino Bajo del Castillo s/n, 28692 Villanueva de la Cañada, Madrid, Spain.
15. NASA Goddard Space Flight Center, Greenbelt, MD, USA.
16. Department of Physics and Astronomy, University of Iowa, Iowa City, IA, USA.
17. Blackett Laboratory, Imperial College London, London, UK.