1. Department of Physics and Astronomy; University of Iowa; Iowa City Iowa USA
2. Institute for Earth, Oceans and Space; University of New Hampshire; Durham New Hampshire USA
3. Planetary Magnetospheres Laboratory; NASA Goddard Space Flight Center; Greenbelt Maryland USA
4. Space and Atmospheric Sciences, NIS-1; Los Alamos National Laboratory; Los Alamos New Mexico USA
5. Aerospace Corporation; El Segundo California USA
6. Laboratory for Atmospheric and Space Physics; University of Colorado Boulder; Boulder Colorado USA
7. Space Hazards Applications; Golden Colorado USA
8. Space Weather Prediction Center; National Oceanic and Atmospheric Administration; Boulder Colorado USA
9. Department of Physics; Imperial College; London UK
10. Institute of Atmospheric Physics AS CR; Prague Czech Republic
11. Faculty of Mathematics and Physics; Charles University in Prague; Prague Czech Republic