1. Beijing National Observatory of Space Environment, Institute of Geology and Geophysics; Chinese Academy of Sciences; Beijing China
2. State Key Laboratory of Space Weather, Center for Space Science and Applied Research; Chinese Academy of Sciences; Beijing China
3. Laboratory for Atmosphere and Space Physics and Department of Aerospace and Engineering Sciences; University of Colorado at Boulder; Boulder Colorado USA
4. Rutherford Appleton Laboratory; Didcot UK
5. Space Research Institute; Moscow Russia
6. Department of Geophysics and Planetary Sciences; USTC; Hefei China
7. Space Research Institute; Austrian Academy of Sciences; Graz Austria
8. Blackett Laboratory; Imperial College London; London UK