1. School of Physics and Astronomy, University of Southampton, Southampton, SO17 1BJ, UK
2. Univ Lyon, Univ Claude Bernard Lyon 1, CNRS, IP2I Lyon / IN2P3, IMR 5822, F-69622, Villeurbanne, France
3. Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth, PO1 3FX, UK
4. Department of Physics, Duke University Durham, NC 27708, USA
5. The Research School of Astronomy and Astrophysics, Australian National University, ACT 2601, Australia
6. NASA Einstein Fellow
7. Center for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USA
8. School of Mathematics and Physics, University of Queensland, Brisbane, QLD 4072, Australia
9. Institute of Space Sciences (ICE, CSIC), Campus UAB, Carrer de Can Magrans, s/n, E-08193 Barcelona, Spain
10. Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637, USA
11. Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA
12. Centre for Gravitational Astrophysics, College of Science, The Australian National University, ACT 2601, Australia
13. Université Clermont Auvergne, CNRS/IN2P3, LPC, F-63000 Clermont-Ferrand, France
14. Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
15. INAF, Osservatorio Astronomico di Trieste, I-34143 Trieste, Italy
16. Centre for Astrophysics & Supercomputing, Swinburne University of Technology, Victoria 3122, Australia
17. Sydney Institute for Astronomy, School of Physics, A28, The University of Sydney, NSW 2006, Australia
18. Cerro Tololo Inter-American Observatory, NSF’s National Optical-Infrared Astronomy Research Laboratory, Casilla 603, La Serena, Chile
19. Laboratório Interinstitucional de e-Astronomia - LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil
20. Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, IL 60510, USA
21. Instituto de Física Teórica, Universidade Estadual Paulista, São Paulo, Brazil
22. CNRS, UMR 7095, Institut d’Astrophysique de Paris, F-75014, Paris, France
23. Sorbonne Universités, UPMC Univ Paris 06, UMR 7095, Institut d’Astrophysique de Paris, F-75014, Paris, France
24. Department of Physics & Astronomy, University College London, Gower Street, London, WC1E 6BT, UK
25. Kavli Institute for Particle Astrophysics & Cosmology, P. O. Box 2450, Stanford University, Stanford, CA 94305, USA
26. SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
27. Instituto de Astrofisica de Canarias, E-38205 La Laguna, Tenerife, Spain
28. Universidad de La Laguna, Dpto. Astrofísica, E-38206 La Laguna, Tenerife, Spain
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. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, 08193 Bellaterra (Barcelona) Spain
32. Astronomy Unit, Department of Physics, University of Trieste, via Tiepolo 11, I-34131 Trieste, Italy
33. INAF-Osservatorio Astronomico di Trieste, via G. B. Tiepolo 11, I-34143 Trieste, Italy
34. Institute for Fundamental Physics of the Universe, Via Beirut 2, 34014 Trieste, Italy
35. Observatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil
36. Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA
37. Department of Physics, IIT Hyderabad, Kandi, Telangana 502285, India
38. Santa Cruz Institute for Particle Physics, Santa Cruz, CA 95064, USA
39. Institute of Theoretical Astrophysics, University of Oslo. P.O. Box 1029 Blindern, NO-0315 Oslo, Norway
40. Institut d’Estudis Espacials de Catalunya (IEEC), 08034 Barcelona, Spain
41. Institute of Space Sciences (ICE, CSIC), Campus UAB, Carrer de Can Magrans, s/n, 08193 Barcelona, Spain
42. Instituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid, 28049 Madrid, Spain
43. Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
44. Kavli Institute for Cosmology, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
45. Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA 94305, USA
46. Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, OH 43210, USA
47. Department of Physics, The Ohio State University, Columbus, OH 43210, USA
48. Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, 81679 Munich, Germany
49. Max Planck Institute for Extraterrestrial Physics, Giessenbachstrasse, 85748 Garching, Germany
50. Department of Astronomy/Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721-0065, USA
51. Australian Astronomical Optics, Macquarie University, North Ryde, NSW 2113, Australia
52. Lowell Observatory, 1400 Mars Hill Rd, Flagstaff, AZ 86001, USA
53. 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
54. Department of Astronomy, The Ohio State University, Columbus, OH 43210, USA
55. Radcliffe Institute for Advanced Study, Harvard University, Cambridge, MA 02138
56. Institució Catalana de Recerca i Estudis Avançats, E-08010 Barcelona, Spain
57. Physics Department, 2320 Chamberlin Hall, University of Wisconsin-Madison, 1150 University Avenue Madison, WI 53706-1390
58. Department of Astrophysical Sciences, Princeton University, Peyton Hall, Princeton, NJ 08544, USA
59. Department of Physics and Astronomy, Pevensey Building, University of Sussex, Brighton, BN1 9QH, UK
60. Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831
61. Universitäts-Sternwarte, Fakultät für Physik, Ludwig-Maximilians Universität München, Scheinerstr. 1, 81679 München, Germany