1. Istituto di Astrofisica e Planetologia Spaziali (IAPS/INAF) Rome Italy
2. Université Catholique de Louvain‐la‐Neuve (UCLouvain) Louvain‐la‐Neuve Belgium
3. Royal Observatory of Belgium Brussels Belgium
4. Royal Belgian Institute for Space Aeronomy (IASB‐BIRA) Brussels Belgium
5. CNRS GEOPS Université Paris‐Saclay Orsay France
6. Institut Universitaire de France (IUF) Paris France
7. School of Physical Sciences The Open University Milton Keynes UK
8. Instituto de Astrofìsica de Andalucia (IAA) Consejo Superior de Investigaciones Científicas (CSIC) Granada Spain
9. Agenzia Spaziale Italiana (ASI) Rome Italy