1. Swedish Institute of Space Physics Uppsala Sweden
2. Science directorate European Space Agency, ESAC Madrid Spain
3. Department of Physics and Astronomy Uppsala University Uppsala Sweden
4. LPC2E CNRS Orléans France
5. National Space Science Center Beijing China
6. Institut de Recherche en Astrophysique et Planétologie Université de Toulouse (UPS) Toulouse France
7. Centre National de la Recherche Scientifique UMR 5277 Toulouse France
8. Space Sciences Department The Aerospace Corporation El Segundo California USA
9. Southwest Research Institute San Antonio Texas USA
10. Space Science Center University of New Hampshire Durham New Hampshire USA
11. Space Research Institute Austrian Academy of Science Graz Austria
12. Department of Earth and Space Sciences University of California Los Angeles California USA
13. The Johns Hopkins University Applied Physics Laboratory Laurel Maryland USA
14. NASA Goddard Space Flight Center Greenbelt Maryland USA
15. Denali Scientific Healy Alaska USA
16. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder Colorado USA
17. Department of Astronomy University of Maryland College Park Maryland USA
18. Japan Aerospace Exploration Agency Tokyo Japan