1. Astrophysics Group, School of Physics, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK
2. Subaru Telescope, NAOJ, 650 North A’ohoku Place, Hilo, HI 96720, USA
3. Finnish Centre for Astronomy with ESO, University of Turku, Vesilinnantie 5, FI-21400, Turku, Finland
4. Jeremiah Horrocks Institute, School of Physical Sciences and Computing, University of Central Lancashire, Preston PR1 2HE, UK
5. Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Hawthorn, VIC 3122, Australia
6. Department of Physics and Astronomy, University of the Western Cape, Robert Sobukwe Road, Belville 7535, South Africa
7. Center for Cosmology and Particle Physics, Department of Physics, New York University, NY 10012, USA
8. School of Physics, University of New South Wales, Sydney NSW 2052, Australia
9. School of Physics and Astronomy, Monash University, Clayton, Victoria 3800, Australia
10. ICRAR, University of Western Australia, 35 Stirling Highway, Crawley WA 6009, Australia
11. SUPA, School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, Fife KY16 9SS, UK
12. Netherlands eScience Center, Science Park 140, NL-1098 XG Amsterdam, the Netherlands
13. Department of Physics and Astronomy, University of Louisville, 102 Natural Science Building, Louisville KY 40292, USA
14. Australian Astronomical Optics, Macquarie University, 105 Delhi Road, North Ryde, NSW 2113, Australia
15. Astrophysics Research Institute, Liverpool John Moores University, IC2, Liverpool Science Park, 146 Brownlow Hill, Liverpool L3 5RF, UK
16. E.A. Milne Centre for Astrophysics, University of Hull, Cottingham Road, Kingston-upon-Hull HU6 7RX, UK
17. SRON Netherlands Institute for Space Research, Landleven 12, NL-9747 AD Groningen, the Netherlands
18. Kapteyn Astronomical Institute, University of Groningen, Postbus 800, NL-9700 AV Groningen, the Netherlands