1. Swedish Institute of Space Physics; Uppsala Sweden
2. European Space Agency ESAC; Madrid Spain
3. Department of Physics and Astronomy; Uppsala University; Uppsala Sweden
4. Southwest Research Institute; San Antonio Texas USA
5. KTH; Stockholm Sweden
6. LASP; University of Colorado Boulder; Boulder Colorado USA
7. University of New Hampshire; Durham New Hampshire USA
8. Space Research Institute; Austrian Academy of Science; Graz Austria
9. Department of Earth and Space Sciences; UCLA; Los Angeles California USA
10. NASA Goddard Space Flight Center; Greenbelt Maryland USA
11. NASA Marshall Space Flight Center; Huntsville Alabama USA
12. Department of Astronomy; University of Maryland; College Park Maryland USA
13. Institut de Recherche en Astrophysique et Planétologie; Université de Toulouse; Toulouse France
14. Centre National de la Recherche Scientifique, UMR 5277; Toulouse France
15. Institute of Space and Astronautical Science; JAXA; Chōfu Japan