1. State Key Laboratory of Space Weather, Center for Space Science and Applied Research; Chinese Academy of Sciences; Beijing China
2. Rutherford Appleton Laboratory; Didcot UK
3. College of Earth Science; Graduate University of Chinese Academy of Sciences; Beijing China
4. Mullard Space Science Laboratory; University College London; Dorking UK
5. NASA Goddard Space Flight Center; Greenbelt Maryland USA
6. Imperial College of Science, Technology and Medicine; London UK
7. Polar Research Institute of China; Shanghai China