kessler@kicp.uchicago.edu

¹ Department of Astronomy and Astrophysics, The University of Chicago, 5640 South Ellis Ave., Chicago, IL 60637, USA
² Kavli Institute for Cosmological Physics, The University of Chicago, 5640 South Ellis Ave., Chicago, IL 60637, USA
³ Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA
⁴ Department of Physics and Astronomy, Wayne State University, Detroit, MI 48202, USA
⁵ Center for Particle Astrophysics, Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA
⁶ School of Mathematics and Physics, University of Queensland, QLD 4072, Australia
⁷ Dark Cosmology Centre, Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, DK-2100 Copenhagen Ø, Denmark
⁸ Department of Physics and Astronomy, Rutgers University, 136 Frelinghuysen Road, Piscataway, NJ 08854, USA
⁹ Department of Astronomy, MSC 4500, New Mexico State University, P.O. Box 30001, Las Cruces, NM 88003, USA
¹⁰ Institute of Cosmology and Gravitation, Dennis Sciama Building, Burnaby Road, University of Portsmouth, Portsmouth PO1 3FX, UK
¹¹ Department of Physics and Astronomy, University of Pennsylvania, 203 South 33rd Street, Philadelphia, PA 19104, USA
¹² Department of Mathematics and Applied Mathematics, University of Cape Town, Rondebosch 7701, South Africa
¹³ Kavli Institute for Particle Astrophysics & Cosmology, Stanford University, Stanford, CA 94305-4060, USA
¹⁴ South African Astronomical Observatory, P.O. Box 9, Observatory 7935, South Africa
¹⁵ Universitäts-Sternwarte, Ludwig-Maximilians Universität München, Germany
¹⁶ Department of Physics, Texas A&M University, College Station, TX 77843, USA
¹⁷ Institute of Astronomy, University of Tokyo, 2-21-1 Osawa, Mitaka-shi, Tokyo, 181-0015, Japan
¹⁸ Institute for the Physics and Mathematics of the Universe, University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa, Chiba 277-8568, Japan
¹⁹ Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA
²⁰ Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
²¹ University of Notre Dame, 225 Nieuwland Science, Notre Dame, IN 46556-5670, USA
²² Department of Astronomy, Graduate School of Science, University of Tokyo, Bunkyo-Ku, Tokyo, 113-0033, Japan
²³ Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA
²⁴ Institut für Astrophysik, Universität Göttingen, Friedrich-Hund Platz 1, D-37077 Göttingen, Germany
²⁵ Center for Neighborhood Technology, 2125 W. North Ave., Chicago, IL 60647, USA
²⁶ National Astronomical Observatory of Japan, Mitaka, 181-8588, Japan
²⁷ Department of Physics, AlbaNova, Stockholm University, SE-106 91 Stockholm, Sweden
²⁸ Department of Astronomy, Ohio State University, 140 West 18th Ave., Columbus, OH 43210-1173, USA
²⁹ Physics Department, Rochester Institute of Technology, 85 Lomb Memorial Drive, Rochester, NY 14623-5603, USA
³⁰ Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
³¹ Department of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, USA
³² Department of Astronomy and Astrophysics, The Pennsylvania State University, 525 Davey Laboratory, University Park, PA 16802, USA
³³ The Oskar Klein Centre, Department of Astronomy, AlbaNova, Stockholm University, SE-106 91 Stockholm, Sweden
³⁴ Department of Astronomy, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa
³⁵ Department of Astronomy, McDonald Observatory, University of Texas, Austin, TX 78712, USA
³⁶ Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa, Chiba 277-8582, Japan
³⁷ Enrico Fermi Institute, University of Chicago, 5640 South Ellis Ave., Chicago, IL 60637, USA