1. Space Science Institute, School of Astronautics; Beihang University; Beijing China
2. State Key Laboratory of Space Weather; Chinese Academy of Sciences; Beijing China
3. Laboratory for Atmospheric and Space Physics; University of Colorado Boulder; Boulder Colorado USA
4. Space Research Laboratory; Democritus University of Thrace; Xanthi Greece
5. Institute of Space Physics and Applied Technology; Peking University; Beijing China
6. Atmospheric, Oceanic, and Space Sciences Department; University of Michigan; Ann Arbor Michigan USA
7. The Johns Hopkins University Applied Physics Laboratory; Laurel Maryland USA
8. Institute of Geology and Geophysics; Chinese Academy of Sciences; Beijing China
9. School of Space Science and Physics; Shandong University at Weihai; Weihai China
10. Institute of Geophysics and Planetary Physics; University of California; Los Angeles California USA