1. Institute for Computational Cosmology, University of Durham, South Road, Durham DH1 3LE, UK
2. Centre for Extragalactic Astronomy, University of Durham, South Road, Durham DH1 3LE, UK
3. Research School of Astronomy & Astrophysics, Australian National University, Canberra, ACT 2611, Australia
4. Department of Astronomy, Oskar Klein Centre, Stockholm University, Stockholm, SE-10691, Sweden
5. Department of Astronomy, University of Massachusetts-Amherst, Amherst, MA 01003, USA
6. Department of Physics and Astronomy, University of Toledo, Toledo, OH 43606, USA
7. Department of Physics, University of Pisa, Largo Pontecorvo 3, I-56127 Pisa, Italy
8. Department of Physics & Astronomy, University of Wyoming, Laramie, WY 82071, USA
9. IBM Research Division, T. J. Watson Research Center, Yorktown Heights, NY 10598, USA
10. Department of Astronomy, University of Wisconsin-Madison, Madison, WI 53706, USA
11. Institut für Theoretische Astrophysik, Zentrum für Astronomie der Universität Heidelberg, D-69120 Heidelberg, Germany
12. Max Planck Institute for Astronomy, D-69117 Heidelberg, Germany
13. Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität Heidelberg, D-69120 Heidelberg, Germany
14. Department of Astronomy, University of Virginia, 530 McCormick Road, Charlottesville, VA 22904, USA
15. Space Telescope Science Institute, Baltimore, MD 21218, USA
16. INAF–Osservatorio Astronomico di Bologna, Bologna, I-40127, Italy
17. Instituto de Astronomía, UNAM, Ensenada, CP 22860, Baja California, Mexico