Author affiliations
1 Institut für Physik, Humboldt-Universität zu Berlin, Newtonstrasse 15, Berlin 12489, Germany
2 E. O. Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720
3 Department of Physics, University of California Berkeley, Berkeley, CA 94720-7300
4 Centro de Astronomia e Astrofísica da Universidade de Lisboa, Observatório Astronómico de Lisboa, Tapada da Ajuda, 1349-018 Lisbon, Portugal
5 DSM/DAPNIA, CEA/Saclay, 91191 Gif-sur-Yvette Cedex, France
6 Space Sciences Laboratory, University of California Berkeley, Berkeley, CA 94720
7 LPNHE, CNRS-IN2P3, University of Paris VI & VII, Paris, France
8 APC, Université Paris 7, 10 rue Alice Domon et Léonie Duquet, 75205 Paris Cedex 13, France
9 Center for Astrophysics, Harvard University, 60 Garden Street, Cambridge, MA 02138
10 Department of Astronomy and Astrophysics, University of Toronto, 60 St. George Street, Toronto, ON M5S 3H8, Canada
11 Department of Physics, Hamilton College, Clinton, NY 13323
12 Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 9110
13 American Astronomical Society, 2000 Florida Avenue, NW, Suite 400, Washington, DC 20009
14 California Institute of Technology, East California Boulevard, Pasadena, CA 91125
15 CENTRA e Dep. de Fisica, IST, Avenida Rovisco Pais, 1049 Lisbon, Portugal
16 Department of Physics, University of California Santa Cruz, Santa Cruz, CA 95064
17 Steward Observatory, University of Arizona, Tucson, AZ 85721
18 Department of Physics, University of Illinois at Urbana-Champaign, 1110 West Green, Urbana, IL 61801-3080
19 Department of Physical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland
20 Department of Physics, Stockholm University, Albanova University Center, S-106 91 Stockholm, Sweden
21 Lick Observatory, P.O. Box 85, Mount Hamilton, CA 95140
22 Centre for Astrophysics and Supercomputing, Swinburne University of Technology, John Street, Hawthorn, VIC 3122, Australia
23 M.P.I.A., Königstuhl 17, 69117 Heidelberg, Germany
24 Laboratoire de l'Accélerateur Linéaire, IN2P3-CNRS, Université Paris Sud, B.P. 34, 91898 Orsay Cedex, France
25 Sub-Department of Astrophysics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK
26 Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510
27 Department of Physics and Astronomy, Vanderbilt University, Nashville, TN 37240
28 European Southern Observatory, Alonso de Cordova 3107, Vitacura, Casilla 19001, Santiago 19, Chile
29 Isaac Newton Group, Apartado de Correos 321, 38780 Santa Cruz de La Palma, Islas Canarias, Spain
30 Department of Astronomy, University of Barcelona, Barcelona, Spain
31 Southwestern College, Department of Astronomy, 900 Otay Lakes Road, Chula Vista, CA 91910
32 Physics Department, Rensselaer Polytechnic Institute, SC1C25, Troy, NY 12180
33 Las Campanas Observatory, Carnegie Observatories, Casilla 601, La Serena, Chile
34 Advanced Fuel Research, Inc., 87 Church Street, East Hartford, CT 06108
35 Department of Physics, Faculty of Sciences, University of Lisbon, Ed. C8, Campo Grande, 1749-016 Lisbon, Portugal
36 Louisiana State University, Department of Physics and Astronomy, Baton Rouge, LA 70803
37 Deceased
38 Cerro Tololo Inter-American Observatory, Casilla 603, La Serena, Chile
39 Department of Physics and Astronomy, Western Kentucky University, Bowling Green, KY
40 Department of Physics, Texas A&M University, College Station, TX 77843
41 Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK