1. Department of Astronomy, University of Geneva , Chemin Pegasi 51, CH-1290 Versoix , Switzerland
2. Cosmic Dawn Center (DAWN), Niels Bohr Institute, University of Copenhagen , Jagtvej 128, DK-2200 København N , Denmark
3. MIT Kavli Institute for Astrophysics and Space Research , 77 Massachusetts Avenue, Cambridge, MA 02139 , USA
4. Leiden Observatory, Leiden University , NL-2300 RA Leiden , Netherlands
5. Department of Astronomy, The University of Texas at Austin , 2515 Speedway, Stop C1400, Austin, TX 78712-1205 , USA
6. Department of Astronomy and Astrophysics, University of California , Santa Cruz, CA 95064 , USA
7. Department of Physics, ETH Zürich , Wolfgang-Pauli-Strasse 27, CH-8093 Zürich , Switzerland
8. Department for Astrophysical and Planetary Science, University of Colorado , Boulder, CO 80309 , USA
9. School of Physics, University of Melbourne , Parkville, VIC 3010 , Australia
10. ARC Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO 3D) , Australia
11. Department of Physics and Astronomy, University of California , Riverside, 900 University Avenue, Riverside, CA 92521 , USA
12. Department of Physics & Astronomy, University of California , 430 Portola Plaza, Los Angeles, CA 90095 , USA
13. Steward Observatory, University of Arizona , Tucson, AZ 85721 , USA
14. Astronomy Department, Yale University , 52 Hillhouse Avenue, New Haven, CT 06511 , USA
15. Department of Astronomy, University of Massachusetts , Amherst, MA 01003 , USA
16. Department of Physics, University of Bath , Claverton Down, Bath BA2 7AY , UK
17. Waseda Research Institute for Science and Engineering, Faculty of Science and Engineering, Waseda University , 3-4-1 Okubo, Shinjuku, Tokyo 169-8555 , Japan
18. National Astronomical Observatory of Japan , 2-21-1, Osawa, Mitaka, Tokyo 181-8588 , Japan
19. Kapteyn Astronomical Institute, University of Groningen , P.O. Box 800, NL-9700 AV Groningen , the Netherlands
20. Centre for Astrophysics and Supercomputing, Swinburne University of Technology , Melbourne, VIC 3122 , Australia
21. GRAPPA, Anton Pannekoek Institute for Astronomy and Institute of High-Energy Physics, University of Amsterdam , Science Park 904, NL-1098 XH Amsterdam , the Netherlands
22. Department of Physics and Astronomy, Tufts University , 574 Boston Avenue, Medford, MA 02155 , USA
23. Department of Astronomy, University of Wisconsin–Madison , 475 N. Charter St., Madison, WI 53706 USA
24. Max Planck Institut für Astronomie , Königstuhl 17, D-69117 Heidelberg , Germany
25. Astrophysics Research Institute, Liverpool John Moores University , 146 Brownlow Hill, Liverpool L3 5RF , UK
26. Departament d’Astronomia i Astrofìsica, Universitat de València , C. Dr. Moliner 50, E-46100 Burjassot, València , Spain
27. Unidad Asociada CSIC ‘Grupo de Astrofísica Extragaláctica y Cosmología’ (Instituto de Física de Cantabria - Universitat de València)