1. School of Physics and Astronomy, University of Southampton , Southampton SO17 1BJ , UK
2. Institute of Cosmology and Gravitation, University of Portsmouth , Portsmouth PO1 3FX , UK
3. Department of Astrophysics, American Museum of Natural History , Central Park West and 79th Street, New York, NY 10024–5192 , USA
4. Department of Physics, Carnegie Mellon University , Pittsburgh, PA 15312 , USA
5. Department of Physics, Duke University Durham , NC 27708 , USA
6. School of Mathematics and Physics, University of Queensland , Brisbane QLD 4072 , Australia
7. Institut d’Estudis Espacials de Catalunya (IEEC) , E-08034 Barcelona , Spain
8. Institute of Space Sciences (ICE, CSIC) , Campus UAB, Carrer de Can Magrans, s/n, E-08193, Barcelona , Spain
9. Centre for Gravitational Astrophysics, College of Science, The Australian National University , ACT 2601, Canberra , Australia
10. The Research School of Astronomy and Astrophysics, Australian National University , ACT 2601 , Australia
11. Fermi National Accelerator Laboratory , P. O. Box 500, Batavia, IL 60510 , USA
12. Department of Physics, IIT Hyderabad , Kandi, Telangana 502285 , India
13. Cerro Tololo Inter-American Observatory, NSF’s National Optical-Infrared Astronomy Research Laboratory , Casilla 603, La Serena , Chile
14. Laboratório Interinstitucional de e-Astronomia - LIneA , Rua Gal. José Cristino 77, Rio de Janeiro, RJ 20921-400 , Brazil
15. Department of Physics, University of Michigan , Ann Arbor, MI 48109 , USA
16. CNRS , UMR 7095, Institut d’Astrophysique de Paris, F-75014 Paris , France
17. Institut d’Astrophysique de Paris, Sorbonne Universités , UPMC Univ Paris 06, UMR 7095, F-75014 Paris , France
18. Department of Physics & Astronomy, University College London , Gower Street, London WC1E 6BT , UK
19. Kavli Institute for Particle Astrophysics & Cosmology , P. O. Box 2450, Stanford University, Stanford, CA 94305 , USA
20. SLAC National Accelerator Laboratory , Menlo Park, CA 94025 , USA
21. Instituto de Astrofisica de Canarias , E-38205 La Laguna, Tenerife , Spain
22. Dpto. Astrofísica, Universidad de La Laguna, , E-38206 La Laguna, Tenerife , Spain
23. Center for Astrophysical Surveys, National Center for Supercomputing Applications , 1205 West Clark St, Urbana, IL 61801 , USA
24. Department of Astronomy, University of Illinois at Urbana-Champaign , 1002 W. Green Street, Urbana, IL 61801 , USA
25. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, E-08193 Bellaterra (Barcelona) , Spain
26. Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester , Oxford Road, Manchester M13 9PL , UK
27. School of Physics and Astronomy, University of Nottingham, , Nottingham NG7 2RD , UK
28. Hamburger Sternwarte, Universität Hamburg , Gojenbergsweg 112, D-21029 Hamburg , Germany
29. Centro de Investigaciones Energéticas , Medioambientales y Tecnológicas (CIEMAT), 40, E-28040 Madrid , Spain
30. Jet Propulsion Laboratory, California Institute of Technology , 4800 Oak Grove Dr, Pasadena, CA 91109 , USA
31. Institute of Theoretical Astrophysics , University of Oslo, P.O. Box 1029 Blindern, NO-0315 Oslo , Norway
32. Kavli Institute for Cosmological Physics, University of Chicago , Chicago, IL 60637 , USA
33. Department of Astronomy, University of Michigan , Ann Arbor, MI 48109 , USA
34. Faculty of Physics , University Observatory, Ludwig-Maximilians-Universität, Scheinerstr 1, D-81679 Munich , Germany
35. Santa Cruz Institute for Particle Physics , Santa Cruz, CA 95064 , USA
36. Center for Cosmology and Astro-Particle Physics, The Ohio State University , Columbus, OH 43210 , USA
37. Department of Physics, The Ohio State University , Columbus, OH 43210 , USA
38. Center for Astrophysics|Harvard & Smithsonian , 60 Garden Street, Cambridge, MA 02138 , USA
39. Australian Astronomical Optics, Macquarie University , North Ryde NSW 2113 , Australia
40. Lowell Observatory , 1400 Mars Hill Road, Flagstaff, AZ 86001 , USA
41. George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, and Department of Physics and Astronomy , Texas A&M University, College Station, Flagstaff, TX 77843 , USA
42. Department of Astrophysical Sciences, Princeton University , Peyton Hall, Princeton, NJ 08544 , USA
43. Institució Catalana de Recerca i Estudis Avançats , E-08010 Barcelona , Spain
44. Observatório Nacional , Rua Gal. José Cristino 77, Rio de Janeiro, RJ 20921-400 , Brazil
45. Department of Physics and Astronomy, Pevensey Building, University of Sussex , Brighton BN1 9QH , UK
46. Univ Lyon , Univ Claude Bernard Lyon 1, CNRS, IP2I Lyon/IN2P3, IMR 5822, F-69622 Villeurbanne , France
47. Computer Science and Mathematics Division, Oak Ridge National Laboratory , Oak Ridge, TN 37831 , USA
48. Lawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USA