1. Center for Astrophysics and Space Sciences; University of California, San Diego; La Jolla California USA
2. School of Physics, Astronomy, and Computational Sciences; George Mason University; Fairfax Virginia USA
3. NASA GSFC; Greenbelt Maryland USA
4. SCiESMEX, Instituto de Geofisica, Unidad Michoacan; Universidad Nacional Autonoma de Mexico; Morelia Mexico
5. Korean Space Weather Center, National Radio Research Agency; Jeju-si South Korea
6. Solar-Terrestrial Environment Laboratory; Nagoya University; Chikusa-ku Japan