1. Laboratoire de Physique des Plasmas UMR7648, CNRS, Ecole Polytechnique, UPMC Univ Paris 06, Univ. Paris‐Sud, Observatoire de Paris Paris France
2. Space Sciences Department The Aerospace Corporation El Segundo CA USA
3. Space Research Institute Austrian Academy of Sciences Graz Austria
4. Swedish Institute of Space Physics Uppsala Sweden
5. Department of Physics and Space Science Center University of New Hampshire Durham NH USA
6. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder CO USA
7. NASA Goddard Space Flight Center Greenbelt MD USA
8. Royal Institute of Technology Stockholm Sweden
9. Southwest Research Institute San Antonio TX USA
10. Institute of Geophysics and Planetary Physics University of California Los Angeles CA USA
11. Applied Physics Laboratory The Johns Hopkins University Laurel MD USA
12. Institute for Space and Astronautical Science Sagamihara Japan
13. Institut de Recherche en Astrophysique et Planétologie CNRS UMR5277/Université Paul Sabatier Toulouse France