1. Department of Complexity Science and Engineering Graduate School of Frontier Sciences The University of Tokyo Kashiwa Japan
2. Royal Belgian Institute for Space Aeronomy Brussels Belgium
3. NASA Goddard Space Flight Center Greenbelt MD USA
4. Department of Physics American University Washington DC USA
5. Space Science Institute Boulder CO USA
6. Instituto de Astrofísica de Andalucía Glorieta de la Astronomia Granada Spain
7. Institute of Condensed Matter and Nanosciences Université catholique de Louvain Louvain‐la‐Neuve Belgium
8. School of Physical Sciences The Open University Milton Keynes UK
9. Tohoku University Sendai Japan
10. Centre for Research in Earth and Space Science York University Toronto ON Canada
11. Istituto Nazionale di Astrofisica Rome Italy
12. Space Research Institute (IKI) Moscow Russia