1. Southwest Research Institute San Antonio TX USA
2. University of Texas at San Antonio San Antonio TX USA
3. Lockheed Martin Advanced Technology Center Palo Alto CA USA
4. Laboratory for Atmospheric and Space Physics Boulder CO USA
5. Goddard Space Flight Center Greenbelt MD USA
6. University of New Hampshire Durham NH USA
7. Los Alamos National Laboratory Los Alamos NM USA
8. Department of Astrophysical Sciences Princeton University Princeton NH USA