1. Max-Planck-Institut für extraterrestrische Physik; Garching Germany
2. Birkeland Centre for Space Science; University of Bergen; Bergen Norway
3. Max-Planck-Institut für Sonnensystemforschung; Göttingen Germany
4. Space Sciences Laboratory; University of California, Berkeley; Berkeley CA USA
5. Thayer School of Engineering; Dartmouth College; Hanover NH USA
6. Southwest Research Institute; San Antonio TX USA
7. Space Science Center; University of New Hampshire; Durham NH USA
8. NASA Goddard Space Flight Center; Greenbelt MD USA
9. Department of Astronomy; University of Maryland; College Park MD USA
10. Denali Scientific; Healy AK USA
11. Institute for Space and Astronautical Sciences; Sagamihara Japan
12. Institut de Recherche en Astrophysique et Planétologie, Université de Toulouse, CNRS, CNES; Toulouse France
13. Earth, Planetary, and Space Sciences; University of California; Los Angeles CA USA
14. Space Research Institute; Austrian Academy of Sciences; Graz Austria
15. Department of Physics and Astronomy; The University of Texas at San Antonio; San Antonio TX USA