1. Leibniz‐Institute of Atmospheric Physics at the Rostock University Kühlungsborn Germany
2. Ann & H.J. Smead Department of Aerospace Engineering Sciences University of Colorado Boulder CO USA
3. Beijing National Observatory of Space Environment Institute of Geology and Geophysics Chinese Academy of Sciences Beijing China
4. College of Earth and Planetary Sciences University of Chinese Academy of Sciences Beijing China
5. Institute for Meteorology Universitaet Leipzig Leipzig Germany