1. Institute for Astronomy, University of Edinburgh, Royal Observatory, Blackford Hill, Edinburgh EH9 3HJ, UK
2. Centre for Astrophysics and Supercomputing, Swinburne University of Technology, PO Box 218, Hawthorn, VIC 3122, Australia
3. McWilliams Center for Cosmology, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, PA 15213, USA
4. Leiden Observatory, Leiden University, POBox 9513, NL-2300 RA Leiden, the Netherlands
5. National Centre for Nuclear Research, Astrophysics Division, PO Box 447, PL-90-950 Lodz, Poland
6. Center for Cosmology and AstroParticle Physics, The Ohio State University, 191 West Woodruff Avenue, Columbus, OH 43210, USA
7. Argelander-Institut für Astronomie, Auf dem Hügel 71, D-53121 Bonn, Germany
8. Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK
9. Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK
10. Australian Astronomical Observatory, PO Box 915, North Ryde, NSW 1670, Australia
11. Astronomy Centre, University of Sussex, Falmer, Brighton BN1 9QH, UK
12. School of Mathematics and Physics, University of Queensland, Brisbane, QLD 4072, Australia
13. Korea Astronomy and Space Science Institute, Daejeon 34055, Korea
14. Kapteyn Astronomical Institute, University of Groningen, NL-9700 AD Groningen, the Netherlands
15. Research School of Astronomy and Astrophysics, Australian National University, Canberra, ACT 2611, Australia