1. Institut de Recherche en Astrophysique et Planétologie CNRS UPS CNES Université de Toulouse Toulouse France
2. Laboratoire d’Astrophysique de Bordeaux CNRS University of Bordeaux Pessac France
3. Department of Astrophysical Sciences and Princeton Plasma Physics Laboratory Princeton University Princeton NJ USA
4. CNRS UPMC Laboratory of Plasma Physics Ecole Polytechnique Université Paris Sud Orsay France
5. Department of Climate and Space Sciences and Engineering University of Michigan Ann Arbor MI USA
6. Department of Physics and Astronomy and center for KINETIC Plasma Physics West Virginia University Morgantown WV USA
7. School of Physics Astronomy University of Southampton Southampton UK
8. NASA Goddard Space Flight Center Greenbelt MD USA
9. Space Science Center University of New Hampshire Durham NH USA
10. Southwest Research Institute San Antonio TX USA