1. Southwest Research Institute Boulder CO USA
2. CNRS IPAG University of Grenoble Alpes Grenoble France
3. Grenoble INP CSUG University of Grenoble Alpes Grenoble France
4. Department of Climate and Space Sciences and Engineering University of Michigan Ann Arbor MI USA
5. The Johns Hopkins University Applied Physics Laboratory Laurel MD USA
6. Met Office Exeter UK
7. IAASARS Observatory of Athens Penteli Greece
8. Heliophysics Science Division NASA Goddard Space Flight Center Greenbelt MD USA