1. Institut d’astrophysique de Paris, CNRS, Sorbonne Université, 98bis Boulevrad Arago, F-75014, Paris, France
2. Department of Astronomy, University of Geneva, 51 Ch. Pegasi, CH-1290 Versoix, Switzerland
3. Cosmic Dawn Center (DAWN), Niels Bohr Institute, University of Copenhagen, Jagtvej 128, København N, DK-2200, Denmark
4. Yale Center for Astronomy and Astrophysics, Yale University, New Haven, CT 06511, USA
5. Department of Physics & Astronomy, University of California, Riverside, CA 92521, USA
6. Institut de Recherche en Astrophysique et Planétologie, CNRS, Université de Toulouse, 14, Avenue Edouard Belin, F-31400 Toulouse, France
7. UCO/Lick Observatory, University of California, Santa Cruz, CA 95064, USA
8. Astronomy Centre, Department of Physics and Astronomy, University of Sussex, Brighton BN1 9QH, UK