1. Department Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY 11794, USA
2. Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA
3. Department of Physics and Astronomy, University of Rochester, Rochester, NY 14627, USA
4. Institut de Fisica d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, 08193 Bellaterra, Barcelona, Spain
5. CERN European Organization for Nuclear Research, 1211 Geneva, Switzerland
6. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, Russia
7. Institute for Nuclear Research of the Russian Academy of Sciences, Moscow 115191, Russia
8. Département de Physique Nucléaire et Corpusculaire, University of Geneva, 1205 Geneva, Switzerland
9. Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803, USA
10. High-Energy Physics Center, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
11. Department of Physics, University of Tokyo, Tokyo 113-0033, Japan
12. Department of Physics, Kyoto University, Kyoto 606-8502, Japan
13. Moscow Institute of Engineering and Physics (MEPhl), Moscow 115409, Russia
14. Moscow Institute of Physics and Technology (MIPT), Moscow 141701, Russia
15. South Dakota School of Mines and Technology, Rapid City, SD 57701, USA
16. High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
17. Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA 15260, USA
18. Institute for Particle Physics and Astrophysics, ETH Zurich, 8093 Zurich, Switzerland
19. Department of Physics, Imperial College London, London SW7 2AZ, UK