Author affiliations
1 Lawrence Livermore National Laboratory, Livermore, CA 94550
2 Center for Particle Astrophysics, University of California, Berkeley, 301 Le Conte Hall, Berkeley, CA 94720-4311
3 Supercomputing Facility, Australian National University, Canberra, ACT 0200, Australia
4 Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218
5 Research School of Astronomy and Astrophysics, Australian National University, Private Bag, Weston Creek P.O., Canberra, Weston Creek, ACT 2611, Australia
6 Departments of Astronomy and Physics, University of Washington, Seattle, WA 98195
7 Department of Physics, University of Notre Dame, Notre Dame, IN 46556
8 Department of Physics, University of California at San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0354
9 Department of Physics, University of Sheffield, Sheffield, S3 7RH, UK
10 Department de Astronomia, Pontificia Universidad Catolica de Chile, Casilla 104, Santiago 22, Chile
11 Department of Physics, University of California, Berkeley, Berkeley, CA 94720-7300
12 European Southern Observatory, Karl-Schwarzchild-Strasse 2, Garching, D-85748, Germany
13 Visiting Astronomer, Cerro Tololo Inter-American Observatory
14 Department of Physics, University of Oxford, Keble Road, Oxford, OX1 3RH, UK
15 Department of Physics and Astronomy, McMaster University, Hamilton, ONT, L8S 4M1, Canada
