1. Department of Physics and AstronomyUniversity of Iowa Iowa City IA USA
2. Institute of Physical Science and TechnologyUniversity of Maryland College Park MD USA
3. School of Space ResearchKyung Hee University Yongin South Korea
4. Korea Astronomy and Space Science Institute Daejeon South Korea
5. The Johns Hopkins University Applied Physics Laboratory Laurel MD USA
6. Southwest Research Institute San Antonio TX USA
7. Department of Physics and AstronomyUniversity of Texas at San Antonio San Antonio TX USA
8. Université de Toulouse, IRAP, CNRS, UPS Toulouse France