1. Università degli Studi di Padova, Dipartimento di Fisica e Astronomia, Vicolo dell’Osservatorio 2, 35122 Padova, Italy
2. INAF - Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, 35122 Padova, Italy
3. School of Physics, O’Brien Centre for Science North, University College Dublin, Belfield, Dublin 4, Ireland
4. INAF-Osservatorio Astronomico di Capodimonte, Salita Moiariello 16, 80131, Napoli, Italy
5. Dark Cosmology Centre, Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, DK-2100 Copenhagen Ø, Denmark
6. Department of Physics, University of California, Santa Barbara, CA 93106-9530, USA
7. Las Cumbres Observatory, 6740 Cortona Dr Ste 102, Goleta, CA 93117-5575, USA
8. Einstein Fellow
9. Tuorla Observatory, Department of Physics and Astronomy, University of Turku, Väisäläntie 20, FI-21500 Piikkiö, Finland
10. Institut de Ciències de l’Espai (ICE - CSIC) & Institut d’Estudis Espacials de Catalunya (IEEC), Campus UAB, 08193 Bellaterra, Barcelona, Spain
11. Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
12. Astrophysics Research Centre, School of Mathematics and Physics, Queen’s University Belfast, Belfast BT7 1NN, UK
13. Finnish Centre for Astronomy with ESO (FINCA), University of Turku, Väisäläntie 20, FI- 21500 Piikkiö, Finland
14. Department of Astronomy and the Oskar Klein Centre, Stockholm University, AlbaNova, SE-106 91 Stockholm, Sweden
15. Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark
16. Center for Interdisciplinary Exploration and Research in Astrophysics CIERA, Department of Physics and Astronomy, Northwestern University, Evanston, IL 60208, USA