1. Department of Earth and Space Sciences Southern University of Science and Technology Shenzhen People's Republic of China
2. Space Research Institute Austrian Academy of Sciences Graz Austria
3. School of Cosmic Physics Dublin Institute for Advanced Studies Dublin Ireland
4. Department of Physics and Astronomy University of Iowa Iowa City IA USA
5. LESIA, Observatoire de Paris Université PSL CNRS Sorbonne Université Université de Paris Meudon Paris France
6. Department of Space Physics School of Electronic Information Wuhan University Wuhan People's Republic of China