1. Mullard Space Science Laboratory UCL Dorking UK
2. Department of Meteorology University of Reading Reading UK
3. University of Alberta Edmonton Alberta Canada
4. Lancaster University Lancaster UK
5. Royal Institute of Technology Stockholm Sweden
6. Department of Physics and Astronomy University of Iowa Iowa City Iowa USA
7. LASP University of Colorado Boulder Boulder Colorado USA
8. ESA/ESTEC Noordwijk Netherlands
9. Laboratoire de Physique des Plasmas Observatoire de Saint Maur Paris France
10. Department of Physics and Astronomy University of Calgary Calgary Alberta Canada
11. Space Sciences Laboratory University of California Berkeley California USA
12. National Space Institute Technical University of Denmark Lyngby Denmark
13. GFZ German Centre for Geosciences Potsdam Germany
14. John Hopkins University Applied Physics Laboratory Laurel Maryland USA