1. National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
2. Beijing Key Laboratory of Space Environment Exploration, Beijing 100190, China
3. Key Laboratory of Environmental Space Situation Awareness Technology, Chinese Academy of Sciences, Beijing 100190, China
4. School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, China
5. Max-Planck-Institut für extraterrestrische Physik, Garching 85748, Germany
6. European Space Research and Technology Center, European Space Agency, Noordwijk 2201AZ, The Netherlands
7. Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Surrey RH5 6NT, United Kingdom
8. State Key Laboratory of Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China