1. Space Science Institute, School of Astronautics; Beijing University of Aeronautics and Astronautics; Beijing China
2. Key Laboratory for Space Weather; Center for Space Science and Applied Research; Beijing China
3. Rutherford Appleton Laboratory; Didcot UK
4. Centre d’Etude Spatiale des Rayonnements; Toulouse France
5. Space Research Institute; Austrian Academy of Sciences; Graz Austria
6. Institute of Geophysics; China Earthquake Administration; Beijing China
7. Institute of Cosmophysical Research and Aeronomy; Siberian Branch, Russian Academy of Sciences; Yakutsk Russia
8. Institute of Solar-Terrestrial Physics; Irkutsk Russia