¹ University of Illinois, Urbana, IL 61801, USA
² University of Florida, Gainesville, FL 32611, USA
³ Enrico Fermi Institute, University of Chicago, Chicago, IL 60637, USA
⁴ University of California, Santa Barbara, Santa Barbara, CA 93106, USA
⁵ University of Tsukuba, Tsukuba, Ibaraki 305, Japan
⁶ Fermi National Accelerator Laboratory, Batavia, IL 60510
⁷ University of Padova, Istituto Nazionale di Fisica Nucleare, Sezione di Padova-Trento, I-35131 Padova, Italy
⁸ University of Michigan, Ann Arbor, MI 48109, USA
⁹ Rutgers University, Piscataway, NJ 08855, USA
¹⁰ Istituto Nazionale di Fisica Nucleare Pisa, Universities of Pisa, Siena and Scuola Normale Superiore, I-56127 Pisa, Italy
¹¹ Institute of Physics, Academia Sinica, Taipei, Taiwan 11529, Republic of China
¹² Institute of Particle Physics: McGill University, Montréal, Canada H3A 2T8
¹³ University of Toronto, Toronto, Canada M5S 1A7
¹⁴ Waseda University, Tokyo 169, Japan
¹⁵ Joint Institute for Nuclear Research, RU-141980 Dubna, Russia
¹⁶ University of California, Los Angeles, Los Angeles, CA 90024, USA
¹⁷ University of Oxford, Oxford OX1 3RH, UK
¹⁸ Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
¹⁹ Purdue University, West Lafayette, IN 47907, USA
²⁰ The Johns Hopkins University, Baltimore, MD 21218, USA
²¹ University of California, Davis, Davis, CA 95616, USA
²² University College London, London WC1E 6BT, UK
²³ Massachusetts Institute of Technology, Cambridge, MA 02139, USA
²⁴ Istituto Nazionale di Fisica Nucleare, University of Trieste/Udine, Italy
²⁵ University of Wisconsin, Madison, WI 53706, USA
²⁶ Duke University, Durham, NC 27708, USA
²⁷ University of Liverpool, Liverpool L69 7ZE, UK
²⁸ The Rockefeller University, New York, NY 10021, USA
²⁹ Argonne National Laboratory, Argonne, IL 60439, USA
³⁰ Brandeis University, Waltham, MA 02254, USA
³¹ University of Rochester, Rochester, NY 14627, USA
³² University of Pittsburgh, Pittsburgh, PA 15260, USA
³³ Michigan State University, East Lansing, MI 48824, USA
³⁴ Glasgow University, Glasgow G12 8QQ, UK
³⁵ University of Geneva, CH-1211 Geneva 4, Switzerland
³⁶ Istituto Nazionale di Fisica Nucleare, University of Bologna, I-40127 Bologna, Italy
³⁷ Institut de Fisica d'Altes Energies, Universitat Autonoma de Barcelona, E-08193, Bellaterra (Barcelona), Spain
³⁸ Center for High Energy Physics: Kyungpook National University, Taegu 702-701, South Korea
³⁹ Seoul National University, Seoul 151-742, South Korea
⁴⁰ SungKyunKwan University, Suwon 440-746, Korea
⁴¹ Harvard University, Cambridge, MA 02138, USA
⁴² Carnegie Mellon University, Pittsburgh, PA 15213, USA
⁴³ Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044 Frascati, Italy
⁴⁴ Instituto de Fisica de Cantabria, CSIC-University of Cantabria, 39005 Santander, Spain
⁴⁵ Istituto Nazionale di Fisica Nucleare, Sezione di Roma 1, University of Rome 'La Sapienza', I-00185 Roma, Italy
⁴⁶ Baylor University, Waco, TX 76798, USA
⁴⁷ Institut für Experimentelle Kernphysik, Universität Karlsruhe, 76128 Karlsruhe, Germany
⁴⁸ The Ohio State University, Columbus, OH 43210, USA
⁴⁹ Yale University, New Haven, CT 06520, USA
⁵⁰ High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305, Japan
⁵¹ University of New Mexico, Albuquerque, NM 87131, USA
⁵² Texas A&M University, College Station, TX 77843, USA
⁵³ University of Pennsylvania, Philadelphia, PA 19104, USA
⁵⁴ Tufts University, Medford, MA 02155, USA
⁵⁵ Wayne State University, Detroit, MI 48201, USA
⁵⁶ University of California, San Diego, La Jolla, CA 92093, USA
⁵⁷ Northwestern University, Evanston, IL 60208, USA
⁵⁸ Osaka City University, Osaka 588, Japan
⁵⁹ Institution for Theoretical and Experimental Physics, ITEP, Moscow 117259, Russia
⁶⁰ Okayama University, Okayama 700-8530, Japan
⁶¹ Division of High Energy Physics, Department of Physics, University of Helsinki and Helsinki Institute of Physics, FIN-00014, Helsinki, Finland