1. Centre for Extragalactic Astronomy, Department of Physics, Durham University , South Road, Durham DH1 3LE, UK
2. School of Physics, University of Melbourne , Parkville, VIC 3010, Australia
3. Instituto de Astrofisica, Facultad de Fisica , Pontificia Universidad Catolica de Chile, Santiago, Chile
4. Institute of Astronomy, University of Cambridge , Madingley Road, Cambridge CB3 0HA, UK
5. Research School of Astronomy and Astrophysics, Australian National University , Canberra, ACT 2611, Australia
6. MTA-CSFK Lendület Large-Scale Structure Research Group , Konkoly-Thege Miklós út 15-17, H-1121 Budapest, Hungary
7. Instituto de Astrofísica de Canarias , C/ Vía Láactea, s/n, E-38205 San Cristáobal de La Laguna, Santa Cruz de Tenerife, Spain
8. Instituto de Física Teórica UAM/CSIC , Universidad Autónoma de Madrid, E-28049 Madrid, Spain
9. Physics Department, Boston University , 590 Commonwealth Avenue, Boston, MA 02215, USA
10. Department of Physics and Astronomy, University College London , Gower Street, London WC1E 6BT, UK
11. Instituto de Física, Universidad Nacional Autonoma de México , Cd. de México C.P. 04510, México
12. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, E-08193 Bellaterra Barcelona, Spain
13. Lawrence Berkeley National Laboratory , One Cyclotron Road, Berkeley, CA 94720, USA
14. Department of Physics and Astronomy, University of Rochester , 500 Joseph C. Wilson Boulevard, Rochester, NY 14627, USA
15. Center for Cosmology and Astro-Particle Physics , The Ohio State University, Columbus, OH 43210, USA
16. Department of Physics, The Ohio State University , Columbus, OH 43210, USA
17. NSF’s National Optical-Infrared Astronomy Research Laboratory , 950 N. Cherry Avenue, Tucson, AZ 85719, USA
18. Instituciáo Catalana de Recerca i Estudis Avançats , Passeig de Lluís Companys, 23, E-08010 Barcelona, Spain
19. National Astronomical Observatories, Chinese Academy of Sciences , A20 Datun Rd., Chaoyang District, Beijing 100012, P.R. China
20. Department of Physics, University of Michigan , Ann Arbor, MI 48109, USA