1. Tokyo Institute of Technology; Tokyo Japan
2. Institute of Space and Astronautical Science; Japan Aerospace Exploration Agency; Kanagawa Japan
3. Space Research Institute, Austrian Academy of Sciences; Graz Austria
4. Max Planck Institute for Solar System Research; Katlenburg-Lindau Germany
5. IRF Uppsala; Uppsala Sweden
6. Department of Earth and Planetary Sciences; Tokyo Institute of Technology; Tokyo Japan
7. Mullard Space Science Laboratory; Surrey UK
8. Solar-Terrestrial Environment Laboratory; Nagoya University; Aichi Japan
9. Blackett Laboratory; Imperial College; London UK
10. CESR/CNRS; Toulouse France