1. LESIA-Observatoire de Paris, PSL Research Univ., CNRS, Sorbonne Univ. (France)
2. Osservatorio Astrofisico di Arcetri (Italy)
3. GEPI, Observatoire de Paris, PSL Research Univ., CNRS, Univ. Paris Diderot (France)
4. IPAG, Univ. Grenoble Alpes (France)
5. Osservatorio Astrofisico di Bologna (Italy)
6. Max Planck Institute for extraterrestrial Physics (Germany)