1. State Key Laboratory of Space Weather, National Space Science Center Chinese Academy of Sciences Beijing China
2. Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics Chinese Academy of Sciences Beijing China
3. College of Earth and Planetary Sciences University of Chinese Academy of Sciences Beijing China
4. IRAP Université de Toulouse, CNRS, UPS, CNES Toulouse France
5. Department of Physics Imperial College London London UK
6. European Space Agency/European Space Research and Technology Centre (ESA/ESTEC) Noordwijk Netherlands