1. Labrotary for Atmospheric and Space Physics University of Colorado Boulder CO USA
2. Computational Physics Inc Springfield VA USA
3. High Altitude Observatory National Center for Atmospheric Research Boulder CO USA
4. CAS Key Laboratory of Geospace Environment, School of Earth and Space Sciences University of Science and Technology of China Hefei China
5. Department of Earth and Planetary Sciences Kyushu University Fukuoka Japan
6. Division of Polar Climate Sciences Korea Polar Research Institute Incheon South Korea