1. Institute of Space and Astronautical Science, JAXA; Sagamihara; Japan
2. SSL, University of California; Berkeley; California; USA
3. Institut für Geophysik und Extraterrestrische Physik; Technische Universität Braunschweig; Braunschweig; Germany
4. Department of Physics; La Trobe University; Bundoora, Victoria; Australia
5. Institute of Space Physics and Applied Technology, School of Earth and Space Sciences; Peking University; Beijing; China
6. Department of Space Sciences; Rutherford Appleton Laboratory; Didcot; UK
7. IGPP, University of California; Los Angeles; California; USA
8. Mullard Space Science Laboratory; University College London; Dorking; UK
9. Space Research Institute; Austrian Academy of Sciences; Graz; Austria
10. CSSAR, Chinese Academy of Sciences; Beijing; China