1. Shandong Provincial Key Laboratory of Optical Astronomy and Solar‐Terrestrial Environment, Institute of Space Sciences Shandong University Weihai China
2. Physics Department University of New Brunswick Fredericton New Brunswick Canada
3. Birkeland Centre for Space Science, Department of Physics and Technology University of Bergen Bergen Norway
4. Arctic Geophysics University Centre in Svalbard Longyearbyen Norway
5. Department of Atmospheric and Oceanic Sciences University of California CA Los Angeles USA
6. William B. Hanson Center for Space Sciences University of Texas at Dallas Richardson TX USA