1. Space Science Center University of New Hampshire Durham NH USA
2. Institute for Space Earth Environmental Research Nagoya Japan
3. ISAS, JAXA Sagamihara Japan
4. Graduate School of Science Osaka University Toyonaka Japan
5. Department of Earth and Planetary Science, Graduate School of Science University of Tokyo Tokyo Japan
6. Lockheed Martin Advanced Technology Center Palo Alto CA USA
7. The Johns Hopkins University Applied Physics Laboratory Laurel MD USA
8. Laboratoire de Physique des Plasmas Sorbonne Universite Paris France