1. Department of Physics and Astronomy Dartmouth College Hanover NH USA
2. Space Science and Engineering Division Southwest Research Institute Durham NH USA
3. Institute of Space and Astronautical Science JAXA Sagamihara Japan
4. Space Research Institute Austrian Academy of Sciences Graz Austria
5. Institute of Physics University of Graz Graz Austria
6. Institute for the Study of Earth, Oceans, and Space University of New Hampshire Durham NH USA
7. Space Science and Engineering Division Southwest Research Institute San Antonio TX USA