¹ Department of Physics and Astronomy, University of Minnesota, Minneapolis, MN 55455, USA
² Kamioka Observatory, Institute for Cosmic Ray Research, The University of Tokyo, Hida, Gifu 506-1205, Japan
³ Institute for the Physics and Mathematics of the Universe (IPMU), The University of Tokyo, Kashiwa, Chiba 277-8568, Japan
⁴ Department of Physics and Astronomy, University of California, Irvine, CA 92697-4575, USA
⁵ Research Center for Cosmic Neutrinos, Institute for Cosmic Ray Research, The University of Tokyo, Kashiwa, Chiba 277-8582, Japan
⁶ Department of Physics, Boston University, Boston, MA 02215, USA
⁷ Physics Department, Brookhaven National Laboratory, Upton, NY 11973, USA
⁸ Department of Physics, California State University, Dominguez Hills, Carson, CA 90747, USA
⁹ Department of Physics, Chonnam National University, Kwangju 500-757, Republic of Korea
¹⁰ Department of Physics, Duke University, Durham, NC 27708, USA
¹¹ Department of Physics, Gifu University, Gifu 501-1193, Japan
¹² Department of Physics and Astronomy, University of Hawaii, Honolulu, HI 96822, USA
¹³ Faculty of Engineering, Kanagawa University, Yokohama, Kanagawa 221-8686, Japan
¹⁴ High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
¹⁵ Department of Physics, Kobe University, Kobe, Hyogo 657-8501, Japan
¹⁶ Department of Physics, Kyoto University, Kyoto 606-8502, Japan
¹⁷ Lawrence Livermore National Laboratory, Livermore, CA 94551, USA
¹⁸ Department of Physics, University of Minnesota, Duluth, MN 55812-2496, USA
¹⁹ Department of Physics, Miyagi University of Education, Sendai, Miyagi 980-0845, Japan
²⁰ Solar Terrestrial Environment Laboratory, Nagoya University, Nagoya, Aichi 464-8602, Japan
²¹ Department of Physics and Astronomy, State University of New York, Stony Brook, NY 11794-3800, USA
²² Department of Physics, Niigata University, Niigata 950-2181, Japan
²³ Department of Physics, Okayama University, Okayama 700-8530, Japan
²⁴ Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
²⁵ Department of Physics, Seoul National University, Seoul 151-742, Republic of Korea
²⁶ Department of Systems Engineering, Shizuoka University, Hamamatsu, Shizuoka 432-8561, Japan
²⁷ Department of Informatics in Social Welfare, Shizuoka University of Welfare, Yaizu, Shizuoka 425-8611, Japan
²⁸ Department of Physics, Sungkyunkwan University, Suwon 440-746, Republic of Korea
²⁹ Department of Physics, Tokai University, Hiratsuka, Kanagawa 259-1292, Japan
³⁰ The University of Tokyo, Tokyo 113-0033, Japan
³¹ Department of Engineering Physics, Tsinghua University, Beijing 100084, China
³² Institute of Experimental Physics, Warsaw University, 00-681 Warsaw, Poland
³³ Department of Physics, University of Washington, Seattle, WA 98195-1560, USA