1. Space Science Institute, School of Astronautics; Beihang University; Beijing China
2. Swedish Institute of Space Physics; Uppsala Sweden
3. Institute of Geophysics and Planetary Physics; University of California; Los Angeles California USA
4. Institute of Atmospheric Physics; The Czech Academy of Sciences; Prague Czech Republic
5. Faculty of Mathematics and Physics; Charles University; Prague Czech Republic
6. Research Institute for Sustainable Humanosphere; Kyoto University; Kyoto Japan
7. Department of Physics; University of Texas at Dallas; Richardson Texas USA
8. School of Electronic and Information; Wuhan University; Wuhan China