1. State Key Laboratory of Space Weather, National Space Science Center; Chinese Academy of Sciences; Beijing China
2. School of Physics and Astronomy; University of Minnesota, Twin Cities; Minneapolis Minnesota USA
3. Department of Geophysics and Planetary Sciences; University of Science and Technology of China; Hefei China
4. Department of Physics and Astronomy; University of Iowa; Iowa City Iowa USA
5. Laboratory for Atmospheric and Space Physics; University of Colorado Boulder; Boulder Colorado USA
6. Space Sciences Department; The Aerospace Corporation; Los Angeles California USA
7. Los Alamos National Laboratory; Los Alamos New Mexico USA
8. Department of Physics Institute for Earth, Oceans and Space; University of New Hampshire; Durham New Hampshire USA
9. Department of Earth, Planetary and Space Sciences and Institute of Geophysics and Planetary Physics; University of California; Los Angeles California USA
10. Institute of Geophysics and extraterrestrial Physics; Braunschweig University of Technology; Braunschweig Germany
11. Department of Physics; University Of Texas at Dallas; Richardson Texas USA