1. Key Laboratory of Earth and Planetary PhysicsInstitute of Geology and Geophysics, Chinese Academy of Sciences Beijing China
2. Department of Geophysics and Planetary ScienceUniversity of Science and Technology of China Hefei Anhui China
3. Space Research InstituteAustrian Academy of Sciences Graz Austria
4. SIGMA Weather Group, State Key Laboratory of Space WeatherCenter for Space Science and Applied Research, Chinese Academy of Sciences Beijing China