1. Department of Physics University of Helsinki Helsinki Finland
2. Space Sciences Laboratory University of California–Berkeley Berkeley CA USA
3. CPAESS University Corporation for Atmospheric Research Boulder CO USA
4. ESTEC European Space Agency Noordwijk the Netherlands
5. STFC RAL Space Rutherford Appleton Laboratory Harwell Campus Oxfordshire UK
6. School of Physics and Astronomy University of Leicester Leicester UK
7. Space Research Institute Austrian Academy of Sciences Graz Austria
8. Institute of Physics University of Graz Graz Austria
9. Institute of Geodesy Graz University of Technology Graz Austria
10. NASA Goddard Space Flight Center Heliophysics Science Division Greenbelt MD USA
11. Solar–Terrestrial Centre of Excellence—SIDC Royal Observatory of Belgium Brussels Belgium
12. Institute of Geodynamics of the Romanian Academy Bucharest Romania
13. Skobeltsyn Institute of Nuclear Physics Moscow State University Moscow Russia
14. School of Earth and Space Sciences University of Science and Technology of China Hefei China
15. CAS Center for Excellence in Comparative Planetology University of Science and Technology of China Hefei China
16. IPAC–Spitzer California Institute of Technology Pasadena CA USA
17. Rays of Space Oy Vantaa Finland
18. Swedish Institute of Space Physics Kiruna Sweden