1. Research School of Astronomy and Astrophysics, Australian National University , Canberra, ACT 2611 , Australia
2. School of Mathematics and Physics, The University of Queensland , St Lucia, QLD 4101 , Australia
3. Department of Astronomy, The Ohio State University , Columbus, Ohio 43210 , USA
4. Center of Cosmology and Astro-Particle Physics, The Ohio State University , Columbus, Ohio 43210 , USA
5. National Centre for the Public Awareness of Science, Australian National University , Canberra, ACT 2601 , Australia
6. The Australian Research Council Centre of Excellence for All-Sky Astrophysics in 3 Dimension (ASTRO 3D) , Australia
7. Sydney Institute for Astronomy, School of Physics, The University of Sydney , NSW 2006 , Australia
8. Centre for Gravitational Astrophysics, College of Science, The Australian National University , ACT 2601 , Australia
9. Laboratório Interinstitucional de e-Astronomia—LIneA , Rua Gal. José Cristino 77, Rio de Janeiro, RJ 20921–400 , Brazil
10. Department of Physics, University of Michigan , Ann Arbor, MI 48109 , USA
11. Fermi National Accelerator Laboratory , PO Box 500, Batavia, IL 60510 , USA
12. Departamento de Física Teórica and Instituto de Física de Partículas y del Cosmos (IPARCOS-UCM), Universidad Complutense de Madrid , E-28040 Madrid , Spain
13. Institute of Cosmology and Gravitation, University of Portsmouth , Portsmouth, PO1 3FX , UK
14. Department of Physics & Astronomy, University College London , Gower Street, London, WC1E 6BT , UK
15. Instituto de Astrofisica de Canarias , E-38205 La Laguna, Tenerife , Spain
16. Universidad de La Laguna, Dpto. Astrofísica , E-38206 La Laguna, Tenerife , Spain
17. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, E-08193 Bellaterra (Barcelona) , Spain
18. Centre for Extragalactic Astronomy, Durham University , South Road, Durham, DH1 3LE , UK
19. Hamburger Sternwarte, Universität Hamburg , Gojenbergsweg 112, D-21029 Hamburg , Germany
20. Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT) , Madrid 28040 , Spain
21. Institute of Theoretical Astrophysics, University of Oslo , PO Box 1029 Blindern, NO-0315 Oslo , Norway
22. Kavli Institute for Cosmological Physics, University of Chicago , Chicago, IL 60637 , USA
23. University Observatory, Faculty of Physics, Ludwig-Maximilians-Universität , Scheinerstr 1, D-81679 Munich , Germany
24. Center for Astrophysical Surveys, National Center for Supercomputing Applications , 1205 West Clark St, Urbana, IL 61801 , USA
25. Department of Astronomy, University of Illinois at Urbana-Champaign , 1002 W. Green Street, Urbana, IL 61801 , USA
26. Santa Cruz Institute for Particle Physics , Santa Cruz, CA 95064 , USA
27. Center for Astrophysics | Harvard & Smithsonian , 60 Garden Street, Cambridge, MA 02138 , USA
28. Australian Astronomical Optics, Macquarie University , North Ryde, NSW 2113 , Australia
29. Lowell Observatory , 1400 Mars Hill Rd, Flagstaff, AZ 86001 , USA
30. George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, and Department of Physics and Astronomy, Texas A&M University , College Station, TX 77843 , USA
31. Institució Catalana de Recerca i Estudis Avançats , E-08010 Barcelona , Spain
32. Observatório Nacional , Rua Gal. José Cristino 77, Rio de Janeiro, RJ 20921–400 , Brazil
33. Department of Physics, Carnegie Mellon University , Pittsburgh, Pennsylvania 15312 , USA
34. Kavli Institute for Particle Astrophysics & Cosmology , PO Box 2450, Stanford University, Stanford, CA 94305 , USA
35. SLAC National Accelerator Laboratory , Menlo Park, CA 94025 , USA
36. Department of Physics and Astronomy, Pevensey Building, University of Sussex , Brighton, BN1 9QH , UK
37. School of Physics and Astronomy, University of Southampton , Southampton, SO17 1BJ , UK
38. Computer Science and Mathematics Division, Oak Ridge National Laboratory , Oak Ridge, TN 37831 , USA
39. Lawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USA