1. Southwest Research Institute San Antonio TX USA
2. STAR Institute LPAP, Université de Liège Liège Belgium
3. Institut für Geophysik und Meteorologie Universität zu Köln Cologne Germany
4. Department of Physics and Astronomy University of Texas at San Antonio San Antonio TX USA
5. School of Electrical Engineering Royal Institute of Technology KTH Stockholm Sweden
6. Department of Astrophysical Sciences Princeton University Princeton NJ USA
7. Space Research Corporation Annapolis MD USA
8. NASA Goddard Spaceflight Center Greenbelt MD USA
9. Jet Propulsion Laboratory Pasadena CA USA
10. Laboratory for Atmosphere and Space Physics University of Colorado Boulder Boulder CO USA