1. Cooperative Programs for the Advancement of Earth System Science University Corporation for Atmospheric Research Boulder CO USA
2. Geophysical Institute University of Alaska Fairbanks AK USA
3. Key Laboratory of Planetary Sciences Purple Mountain Observatory Chinese Academy of Sciences Nanjing China
4. Heliophysics Science Division NASA Goddard Space Flight Center Greenbelt MD USA
5. Johns Hopkins University Applied Physics Laboratory Johns Hopkins University Laurel MD USA