1. Heliophysics Science Division NASA Goddard Space Flight Center Greenbelt MD USA
2. Department of Physics Catholic University of America Washington DC USA
3. University of Colorado Boulder CO USA
4. National Institute of Polar Research Tachikawa Japan
5. Department of Polar Science SOKENDAI Tachikawa Japan
6. Waseda Research Institute for Science and Engineering Waseda University Shinjuku Japan
7. Department of Physics and Astronomy Louisiana State University Baton Rouge LA USA
8. Institute of Space and Astronautical Science Japan Aerospace Exploration Agency Sagamihara Japan