1. Heliophysics Science Division; NASA Goddard Space Flight Center; Greenbelt MD USA
2. Department of Climate and Space Sciences and Engineering; University of Michigan; Ann Arbor MI USA
3. Lockheed Martin Solar and Astrophysics Laboratory; Palo Alto CA USA
4. Center for Astrophysics and Space Sciences; University of California, San Diego; La Jolla CA USA
5. Predictive Science Inc.; San Diego CA USA
6. Department of Meteorology; University of Reading; Reading UK
7. GPHI; University of Maryland; Baltimore County MD USA