1. Space Science Center University of New Hampshire Durham NH USA
2. Applied Physics Laboratory The Johns Hopkins University Laurel MD USA
3. Swedish Institute of Space Physics Uppsala Sweden
4. Laboratoire de Physique des Plasmas (LPP), UMR7648, CNRS, Ecole Polytechnique UPMC Univ Paris 06, University Paris‐Sud, Observatoire de Paris Paris France
5. NASA Goddard Space Flight Center Greenbelt MD USA
6. Academia Nacional de Ciencias de Buenos Aires Buenos Aires Argentina
7. University of Colorado Boulder Boulder CO USA
8. Southwest Research Institute San Antonio TX USA
9. University of California Los Angeles CA USA
10. Space Research Institute Graz Austria
11. University of Texas at San Antonio San Antonio TX USA
12. Lockheed Martin Advanced Technology Center Palo Alto CA USA
13. West Virginia University Morgantown WV USA