1. Department of Space Physics School of Electronic Information Wuhan University Wuhan Hubei China
2. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder CO USA
3. Department of Aerospace Engineering Sciences University of Colorado Boulder Boulder CO USA
4. Computational Physics, Inc. Boulder Colorado USA
5. CAS Center for Excellence in Comparative Planetology Hefei Anhui China
6. Physics Department Auburn University Auburn AL USA
7. Space Science Institute Boulder CO USA