1. Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics; Shandong University; Weihai China
2. High Altitude Observatory; National Center for Atmospheric Research; Boulder Colorado USA
3. Department of Physics and Astronomy; Dartmouth College; Hanover New Hampshire USA
4. Laboratory for Atmospheric and Space Physics; University of Colorado Boulder; Boulder Colorado USA
5. Space Sciences Department; Aerospace Corporation; El Segundo California USA
6. School of Earth and Space Sciences; Peking University; Beijing China
7. Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics; Beijing China