1. Department of Physics & Astronomy, University College London , Gower Street, London WC1E 6BT , UK
2. School of Mathematics and Physics, University of Queensland , Brisbane, QLD 4072 , Australia
3. Institute of Cosmology and Gravitation, University of Portsmouth , Portsmouth PO1 3FX , UK
4. Department of Astronomy , 725 Commonwealth Avenue, Boston University, Boston, MA 02215 , USA
5. Fermi National Accelerator Laboratory , P. O. Box 500, Batavia, IL 60510 , USA
6. Kavli Institute for Cosmological Physics, University of Chicago , Chicago, IL 60637 , USA
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. Department of Astronomy and Astrophysics, University of Chicago , Chicago, IL 60637 , USA
10. Department of Physics and Astronomy, University of Pennsylvania , Philadelphia, PA 19104 , USA
11. Centre for Gravitational Astrophysics, College of Science, The Australian National University , Canberra, ACT 2601 , Australia
12. The Research School of Astronomy and Astrophysics, Australian National University , Canberra, ACT 2601 , Australia
13. Department of Physics, Duke University , 120 Science Drive, Durham, NC 27710 , USA
14. CNRS/IN2P3, CPPM, Aix Marseille University , 13007 Marseille , France
15. School of Physics and Astronomy, University of Southampton , Southampton SO17 1BJ , UK
16. Cerro Tololo Inter-American Observatory, NSF’s National Optical-Infrared Astronomy Research Laboratory , Casilla 603, La Serena , Chile
17. Laboratório Interinstitucional de e-Astronomia - LIneA , Rua Gal. José Cristino 77, Rio de Janeiro, RJ 20921-400 , Brazil
18. Department of Physics, University of Michigan , Ann Arbor, MI 48109 , USA
19. Physics Department, University of Wisconsin-Madison , 2320 Chamberlin Hall, 1150 University Avenue Madison, WI 53706-1390 , USA
20. CNRS, Institut d’Astrophysique de Paris , UMR 7095, F-75014 Paris , France
21. Institut d’Astrophysique de Paris, Sorbonne Universités , UPMC Univ Paris 06, UMR 7095, F-75014 Paris , France
22. Faculty of Physics, University Observatory, Ludwig-Maximilians-Universität , Scheinerstr 1, D-81679 Munich , Germany
23. Instituto de Astrofisica de Canarias , E-38205 La Laguna, Tenerife , Spain
24. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, E-08193 Bellaterra (Barcelona) Spain
25. Hamburger Sternwarte, Universität Hamburg , Gojenbergsweg 112, D-21029 Hamburg , Germany
26. CNRS, LPSC-IN2P3, Université Grenoble Alpes , F-38000 Grenoble , France
27. Jet Propulsion Laboratory, California Institute of Technology , 4800 Oak Grove Dr, Pasadena, CA 91109 , USA
28. Institute of Theoretical Astrophysics, University of Oslo , P.O. Box 1029 Blindern, NO-0315 Oslo , Norway
29. Center for Astrophysical Surveys, National Center for Supercomputing Applications , 1205 West Clark St, Urbana, IL 61801 , USA
30. Department of Astronomy, University of Illinois at Urbana-Champaign , 1002 W. Green Street, Urbana, IL 61801 , USA
31. Santa Cruz Institute for Particle Physics , Santa Cruz, CA 95064 , USA
32. Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus , OH 43210 , USA
33. Department of Physics, The Ohio State University , Columbus, OH 43210 , USA
34. Center for Astrophysics | Harvard & Smithsonian , 60 Garden Street, Cambridge, MA 02138 , USA
35. Australian Astronomical Optics, Macquarie University , North Ryde, NSW 2113 , Australia
36. Lowell Observatory , 1400 Mars Hill Rd, Flagstaff, AZ 86001 , USA
37. 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
38. LPSC Grenoble - 53 , Avenue des Martyrs, F-38026 Grenoble , France
39. Institució Catalana de Recerca i Estudis Avançats , E-08010 Barcelona , Spain
40. Department of Astrophysical Sciences, Princeton University , Peyton Hall, Princeton, NJ 08544 , USA
41. Observatório Nacional , Rua Gal. José Cristino 77, Rio de Janeiro, RJ 20921-400 , Brazil
42. Department of Physics, Carnegie Mellon University , Pittsburgh, PA 15312 , USA
43. Kavli Institute for Particle Astrophysics & Cosmology , P. O. Box 2450, Stanford University, Stanford, CA 94305 , USA
44. SLAC National Accelerator Laboratory , Menlo Park, CA 94025 , USA
45. Centro de Investigaciones Energéticas , Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid , Spain
46. Computer Science and Mathematics Division , Oak Ridge National Laboratory, Oak Ridge, TN 37831 , USA
47. Department of Astronomy, University of California , Berkeley, 501 Campbell Hall, Berkeley, CA 94720 , USA
48. Lawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USA