¹ Princeton University Observatory, Peyton Hall, Princeton, NJ 08544
² Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan
³ Institute of Astronomy, University of Tokyo, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
⁴ Department of Astronomy, University of California at Berkeley, 601 Campbell Hall, Berkeley, CA 94720-3411
⁵ Hubble Fellow
⁶ Astronomy and Astrophysics Department, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637
⁷ Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510
⁸ Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St. George Street, Toronto, ON M5S 3H8, Canada
⁹ Department of Astronomy, University of Illinois, 1002 West Green Street, Urbana, IL 61801
¹⁰ Department of Physics, University of California at Davis, 1 Shields Avenue, Davis, CA 95616
¹¹ Institute of Geophysics and Planetary Physics, Lawrence Livermore National Laboratory, L-413, 7000 East Avenue, Livermore, CA 94550
¹² Institut d'Estudis Espacials de Catalunya/CSIC, Gran Capita 2-4, 08034 Barcelona, Spain
¹³ Department of Physics and Astronomy, York University, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
¹⁴ Max-Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg, Germany
¹⁵ Department of Astronomy and Astrophysics, Pennsylvania State University, 525 Davey Laboratory, University Park, PA 16802
¹⁶ Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349
¹⁷ Enrico Fermi Institute, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637