1. State Key Laboratory of Space Weather, National Space Science Center; Chinese Academy of Sciences; Beijing China
2. College of Earth Sciences; University of Chinese Academy of Sciences; Beijing China
3. Max-Planck-Institut für extraterrestrische Physik; Garching Germany
4. Institute for Space Sciences; Bucharest Romania
5. Institute for the Study of Earth, Oceans, and Space; University of New Hampshire; Durham New Hampshire USA