1. Kavli Institute for Cosmology, University of Cambridge , Madingley Road, Cambridge CB3 0HA , UK
2. Cavendish Laboratory - Astrophysics Group, University of Cambridge , 19 JJ Thomson Avenue, Cambridge CB3 0HE , UK
3. Sterrenkundig Observatorium, Universiteit Gent , Krijgslaan 281 S9, B-9000 Gent , Belgium
4. Research Centre for Astronomy, Astrophysics and Astrophotonics, School of Mathematical and Physical Sciences, Macquarie University , Sydney, NSW 2109 , Australia
5. ARC Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO3D) , Australia
6. Max-Planck-Institut für Astronomie , Königstuhl 17, D-69117 Heidelberg , Germany
7. Department of Physics and Astronomy and PITT PACC, University of Pittsburgh , Pittsburgh, PA 15260 , USA
8. Centre for Astrophysics and Supercomputing, Swinburne University of Technology , Hawthorn, VIC 3122 , Australia
9. Sydney Institute for Astronomy, School of Physics, The University of Sydney , Camperdown, NSW 2006 , Australia
10. Department of Astronomy, University of Michigan , Ann Arbor, MI 48109 , USA
11. Department of Physics, Florida International University , 11200 SW 8th Street, Miami, FL , USA
12. School of Physics, University of New South Wales , Sydney, NSW 2052 , Australia
13. Australian Astronomical Optics, Astralis-USydney, School of Physics, University of Sydney , NSW 2006 , Australia
14. Research School of Astronomy and Astrophysics, Australian National University , Canberra, ACT 2611 , Australia
15. International Centre for Radio Astronomy Research (ICRAR), University of Western Australia , Crawley, WA 6009 , Australia
16. Astronomy Department, Yale University , New Haven, CT 06511 , USA
17. INAF-Osservatorio Astrofisico di Arcetri , Largo Enrico Fermi 5, I-50125 Firenze , Italy
18. Leiden Observatory, Leiden University , P.O. Box 9513, NL-2300 RA, Leiden , the Netherlands
19. Department of Physics and Astronomy, University College London , Gower Street, London WC1E 6BT , UK
20. Department of Astronomy, University of Wisconsin , 475 N. Charter Street, Madison, WI 53706 , USA
21. Space Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218 , USA
22. Centre for Extragalactic Astronomy, University of Durham , Stockton Road, Durham DH1 3LE , UK
23. Fakultät für Physik, Universitäts-Sternwarte, Ludwig-Maximilians-Universität München , Scheinerstr. 1, D-81679 München , Germany
24. Department of Physics and Astronomy, University of the Western Cape , Robert Sobukwe Road, Bellville 7535 , South Africa
25. School of Mathematics and Physics, University of Queensland , Brisbane, QLD 4072 , Australia
26. Department of Astrophysics, University of Vienna , Türkenschanzstraße 17, A-1180 Vienna , Austria
27. George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy , Texas A&M University, College Station, TX 77843-4242 , USA