1. Commonwealth Science and Industrial Research Organisation, Australia Telescope National Facility, P.O. Box 76, Epping, NSW 1710, Australia.
2. Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Hawthorn, VIC 3122, Australia.
3. International Centre for Radio Astronomy Research, Curtin University, Bentley, WA 6102, Australia.
4. University of California Observatories–Lick Observatory, University of California, Santa Cruz, CA 95064, USA.
5. Kavli Institute for the Physics and Mathematics of the Universe, 5-1-5 Kashiwanoha, Kashiwa 277-8583, Japan.
6. Instituto de Física, Pontificia Universidad Católica de Valparaíso, Casilla 4059, Valparaíso, Chile.
7. Department of Physics and Astronomy, Macquarie University, North Ryde, NSW 2109, Australia.
8. Sydney Institute for Astronomy, School of Physics, University of Sydney, Sydney, NSW 2006, Australia.
9. Astronomy Department, University of Washington, Seattle, WA 98195, USA.
10. Physics Department, California Polytechnic State University, San Luis Obispo, CA 93407, USA.
11. Nikhef, Science Park, Amsterdam, Netherlands.
12. International Centre for Radio Astronomy Research, University of Western Australia, Crawley, Perth, WA 6009, Australia.
13. Space Science Division, Naval Research Laboratory, Washington, DC 20375, USA.
14. W. M. Keck Observatory, Waimea, HI 96743, USA.
15. Department of Physics and Astronomy, University of California, Los Angeles, CA 90095, USA.
16. Department of Physics and Astronomy, University of California, Irvine, CA 92697, USA.
17. Tim Cornwell Consulting, 17 Elgan Crescent, Sandbach CW11 1LD, UK.
18. Inter-University Centre for Astronomy and Astrophysics, Post Bag 4, Ganeshkhind, Pune 411 007, India.
19. Research School of Astronomy and Astrophysics, Australian National University, Canberra, ACT 2611, Australia.
20. Western Sydney University, Locked Bag 1797, Penrith South, NSW 2751, Australia.
21. ASTRON, Netherlands Institute for Radio Astronomy, Postbus 2, 7990 AA Dwingeloo, Netherlands.