1. Institute of Space Physics and Applied Technology Peking University Beijing China
2. Department of Physics and Astronomy University of Calgary Calgary Alberta Canada
3. Geophysical Institute University of Alaska Fairbanks AK USA
4. Denali Scientific Fairbanks AK USA
5. Heliophysics Science Division NASA Goddard Space Flight Center Greenbelt MD USA
6. Department of Astrophysical and Planetary Sciences University of Colorado Boulder Boulder CO USA
7. Department of Space and Plasma Physics KTH Royal Institute of Technology Stockholm Sweden