1. Institute of Space and Astronautical ScienceJapan Aerospace Exploration Agency Sagamihara Japan
2. Space Research InstituteAustrian Academy of Sciences Graz Austria
3. NASA Goddard Space Flight Center Greenbelt MD USA
4. Faculty of Human DevelopmentUniversity of Toyama Toyama Japan
5. Institut de Recherche en Astrophysique et Planétologie, CNRS, UPS, CNESUniversité de Toulouse Toulouse France
6. Department of Earth, Planetary, and Space SciencesUniversity of California Los Angeles CA USA
7. Swedish Institute of Space Physics Uppsala Sweden
8. Department of Astrophysical and Planetary SciencesUniversity of Colorado Boulder Boulder CO USA