1. State Key Laboratory of Space Weather; NSSC/CAS; Beijing China
2. Schools of Astronomy and Space Science; University of Chinese Academy of Sciences; Beijing China
3. Space Science Center; University of New Hampshire; Durham NH USA
4. Space Research Institute; Austrian Academy of Sciences; Graz Austria
5. Rutherford Appleton Laboratory, Chilton; Didcot UK
6. Blackett Laboratory, Space and Atmospheric Physics Group; Imperial College; London UK
7. University of Toulouse, UPS, IRAP, and CNRS; Toulouse France
8. MSSL; University College London; Dorking UK