1. Key Laboratory of Space Weather, Center for Space Science and Applied Research; Chinese Academy of Sciences; Beijing China
2. Graduate School; Chinese Academy of Sciences; Beijing China
3. Faculty of Mathematics and Physics; Charles University; Prague Czech Republic
4. Centre d'Etude Spatiale des Rayonnements; Toulouse France
5. Centre d'Etudes des Environnements Terrestre et Planétaires, L'Université de Versailles Saint-Quentin-en-Yvelines; Centre National de la Recherche Scientifique; Velizy France
6. Blackett Laboratory; Imperial College; London, London UK
7. Mullard Space Science Laboratory; University College London; London, London UK