1. Shandong Provincial Key Laboratory of Optical Astronomy and Solar‐Terrestrial Environment Institute of Space Sciences Shandong University Weihai China
2. Arctic and Antarctic Research Institute St. Petersburg Russia
3. School of Space Research Kyung Hee University Yongin South Korea
4. Department of Space Science and Engineering National Central University Taoyuan Taiwan
5. Department of Physics Umeå University Umeå Sweden