1. CAS Key Lab of Geospace Environment School of Earth and Space Sciences University of Science and Technology of China Hefei China
2. CAS Center for Excellence in Comparative Planetology Hefei China
3. Department of Physics University of Texas at Dallas Richardson TX USA
4. Retired Pasadena CA USA
5. Center for Space Physics Boston University Boston MA USA
6. Department of Space Physics School of Electronic Information Wuhan University Wuhan China