1. Southwest Research Institute San Antonio TX USA
2. Department of Physics and Astronomy University of Texas at San Antonio San Antonio TX USA
3. Physics Institute University of Bern Bern Switzerland
4. Los Alamos National Laboratory Los Alamos NM USA
5. Space Science Center University of New Hampshire Durham NH USA
6. Lockheed Martin Advanced Technology Center Palo Alto CA USA
7. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder CO USA
8. Department of Astrophysical Sciences Princeton University Princeton NJ USA
9. Institut de Recherche en Astrophysique et Planétologie Université de Toulouse Toulouse France
10. Department of Electromagnetism and Electronics University of Murcia Murcia Spain
11. Earth and Space Sciences University of California Los Angeles CA USA