1. Laboratoire de Physique des Plasmas (LPP/CNRS UMR); Paris France
2. Department of Physics and Astronomy; University of Delaware; Newark Delaware USA
3. Swedish Institute of Space Physics; Uppsala Sweden
4. LASP; University of Colorado; Boulder Colorado USA
5. The Johns Hopkins University Applied Physics Laboratory; Laurel Maryland USA
6. Alfven Laboratory; Royal Institute of Technology; Stockholm Sweden
7. Southwest Research Institute; San Antonio TX USA
8. Space Science Center and Department of Physics; University of New Hampshire; Durham New Hampshire USA
9. Institute of Geophysics and Planetary Physics; UCLA; Los Angeles California USA
10. Space Research Institute (IWF); /Austrian Academy of Sciences; Graz Austria
11. NASA Goddard Space Flight Center; Greenbelt Maryland USA
12. Department of Climate and Space Sciences and Engineering; University of Michigan; Ann Arbor Michigan USA
13. Physics and Astronomy Department; University of Texas at San Antonio; Texas USA