[1
]Space Research Institute; Austrian Academy of Sciences; Graz Austria
[2
]State Key Laboratory of Space Weather; Chinese Academy of Sciences; Beijing China
[3
]Institute of Geophysics and Planetary Physics; University of California; Los Angeles
California USA
[4
]School of Astronautics; Beihang University; Beijing China
[5
]Department of Automatic Control and Systems Engineering; University of Sheffield;
Sheffield UK
[6
]Institute of Geophysics; Universidad Nacional Autonoma de Mexico, Ciudad Universitaria;
Mexico City Mexico