1. Department of Physics and Astronomy University of Iowa Iowa City IA USA
2. Space Research Institute Russian Academy of Sciences Moscow Russia
3. Department of Geophysics Kyoto University Kyoto Japan
4. NASA Goddard Space Flight Center Greenbelt MD USA
5. Space Sciences Laboratory University of California Berkeley CA USA
6. IRAP University of Toulouse Toulouse France
7. CRESST II University of Maryland Baltimore MD USA
8. Laboratory for Atmospheric and Space Physics University of Colorado Boulder CO USA