1. Department of Physics & Astronomy, University College London , Gower Street, London WC1E 6BT, UK
2. Department of Physics and Astronomy, Pevensey Building, University of Sussex , Brighton BN1 9QH, UK
3. Department of Physics, University of Michigan , Ann Arbor, MI 48109, USA
4. Lawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720, USA
5. Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester , Oxford Road, Manchester M13 9PL, UK
6. Perimeter Institute for Theoretical Physics , 31 Caroline St North, Waterloo, ON N2L 2Y5, Canada
7. Jet Propulsion Laboratory, California Institute of Technology , 4800 Oak Grove Dr., Pasadena, CA 91109, USA
8. Instituto de Astrofísica e Ciências do Espaço , Faculdade de Ciências, Universidade de Lisboa, P-1769-016 Lisboa, Portugal
9. Department of Physics, Carnegie Mellon University , Pittsburgh, PA 15312, USA
10. Department of Physics and Astronomy, University of Pennsylvania , Philadelphia, PA 19104, USA
11. Institute for Astronomy, University of Edinburgh , Edinburgh EH9 3HJ, UK
12. Department of Astronomy, University of California , Berkeley, 501 Campbell Hall, Berkeley, CA 94720, USA
13. Department of Astronomy/Steward Observatory, University of Arizona , 933 North Cherry Avenue, Tucson, AZ 85721-0065, USA
14. Department of Astronomy, University of Geneva , ch. d’Ecogia 16, CH-1290 Versoix, Switzerland
15. Laboratório Interinstitucional de e-Astronomia - LIneA , Rua Gal. José Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil
16. Fermi National Accelerator Laboratory , P. O. Box 500, Batavia, IL 60510, USA
17. Institut d’Astrophysique de Paris, CNRS , UMR 7095, F-75014 Paris, France
18. Institut d’Astrophysique de Paris, Sorbonne Universités , UPMC Univ Paris 06, UMR 7095, F-75014 Paris, France
19. Faculty of Physics, Ludwig-Maximilians-Universität , Scheinerstr 1, D-81679 Munich, Germany
20. Kavli Institute for Particle Astrophysics & Cosmology , P. O. Box 2450, Stanford University, Stanford, CA 94305, USA
21. SLAC National Accelerator Laboratory , Menlo Park, CA 94025, USA
22. Instituto de Astrofisica de Canarias , E-38205 La Laguna, Tenerife, Spain
23. Dpto. Astrofísica, Universidad de La Laguna , E-38206 La Laguna, Tenerife, Spain
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. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, E-08193 Bellaterra (Barcelona) Spain
27. Institut d’Estudis Espacials de Catalunya (IEEC) , E-08034 Barcelona, Spain
28. Institute of Space Sciences (ICE, CSIC), Campus UAB , Carrer de Can Magrans, s/n, E-08193 Barcelona, Spain
29. Department of Physics, California Institute of Technology , 1200 East California Blvd, MC 249-17, Pasadena, CA 91125, USA
30. Astronomy Unit, Department of Physics, University of Trieste , via Tiepolo 11, I-34131 Trieste, Italy
31. INAF-Osservatorio Astronomico di Trieste , via G. B. Tiepolo 11, I-34143 Trieste, Italy
32. Institute for Fundamental Physics of the Universe , Via Beirut 2, I-34014 Trieste, Italy
33. Observatório Nacional , Rua Gal. José Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil
34. Hamburger Sternwarte, Universität Hamburg , Gojenbergsweg 112, D-21029 Hamburg, Germany
35. Santa Cruz Institute for Particle Physics , Santa Cruz, CA 95064, USA
36. Institute of Theoretical Astrophysics, University of Oslo , P.O. Box 1029 Blindern, NO-0315 Oslo, Norway
37. Kavli Institute for Cosmological Physics, University of Chicago , Chicago, IL 60637, USA
38. Instituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid , E-28049 Madrid, Spain
39. Department of Astronomy, University of Michigan , Ann Arbor, MI 48109, USA
40. Excellence Cluster Origins , Boltzmannstr 2, D-85748 Garching, Germany
41. School of Mathematics and Physics, University of Queensland , Brisbane, QLD 4072, Australia
42. Center for Cosmology and Astro-Particle Physics, The Ohio State University , Columbus, OH 43210, USA
43. Department of Physics, The Ohio State University , Columbus, OH 43210, USA
44. Center for Astrophysics |Harvard & Smithsonian , 60 Garden Street, Cambridge, MA 02138, USA
45. Australian Astronomical Optics, Macquarie University , North Ryde, NSW 2113, Australia
46. Lowell Observatory , 1400 Mars Hill Rd, Flagstaff, AZ 86001, USA
47. Departamento de Física Matemática, Instituto de Física , Universidade de São Paulo, CP 66318, São Paulo, SP 05314-970, Brazil
48. Department of Astrophysical Sciences, Princeton University , Peyton Hall, Princeton, NJ 08544, USA
49. Institució Catalana de Recerca i Estudis Avançats , E-08010 Barcelona, Spain
50. Physics Department, University of Wisconsin-Madison , 2320 Chamberlin Hall, 1150 University Avenue Madison, WI 53706-1390, USA
51. Institute of Astronomy, University of Cambridge , Madingley Road, Cambridge CB3 0HA, UK
52. Centro de Investigaciones Energéticas , Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
53. School of Physics and Astronomy, University of Southampton , Southampton SO17 1BJ, UK
54. Computer Science and Mathematics Division, Oak Ridge National Laboratory , Oak Ridge, TN 37831, USA
55. National Center for Supercomputing Applications , 1205 West Clark St, Urbana, IL 61801, USA
56. Institute of Cosmology and Gravitation, University of Portsmouth , Portsmouth PO1 3FX, UK
57. Max Planck Institute for Extraterrestrial Physics , Giessenbachstrasse, D-85748 Garching, Germany