1. Swedish Institute of Space Physics Uppsala Sweden
2. Space and Plasma Physics, School of Electrical Engineering and Computer Science KTH Royal Institute of Technology Stockholm Sweden
3. Laboratory of Atmospheric and Space Physics University of Colorado Boulder CO USA
4. Department of Physics and Astronomy University of Delaware Newark DE USA
5. Laboratoire de Physique des Plasmas CNRS/Ecole Polytechnique/Sorbonne Université/ Université Paris‐Sud/Observatoire de Paris Paris France
6. Dipartimento di Fisica Università della Calabria Rende Italy
7. NASA Goddard Space Flight Center Greenbelt MD USA
8. Department of Astronomy University of Maryland College Park MD USA