1. Faculty of Mathematics and Physics, Institute of Science and Engineering, Kanazawa University, Kakuma, Kanazawa, Ishikawa 920-1192, Japan
2. Graduate School of Science and Technology, Hirosaki University, Aomori 036-8561, Japan
3. Department of Physics and Astronomy, Louisiana State University, 202 Nicholson Hall, Baton Rouge, Louisiana 70803, USA
4. Department of Astronomy, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
5. Department of Physics, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
6. Institute for Cosmic Ray Research, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8582, Japan
7. Department of Applied Physics, Research Institute of Explosive Stellar Phenomena, Fukuoka University, 8-19-1, Jonan, Nanakuma, Fukuoka 814-0180, Japan
8. Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
9. Center for Gravitational Physics, Yukawa Institute for Theoretical Physics, Kyoto University, 606-8502, Kyoto, Japan
10. Nishi-harima Astronomical Observatory, Center for Astronomy, University of Hyogo, 407-2 Nishi-gaichi, Sayo, Hyogo 679-5313, Japan
11. Department of Physics, Osaka City University, Osaka, Osaka, 558-8585, Japan, Nambu Yoichiro Institute of Theoretical and Experimental Physics, Osaka City University, Osaka, Osaka, 558-8585, Japan
12. Hiroshima Astrophysical Science Center, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
13. Department of Physics, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan
14. Department of Physics, Rikkyo University, Toshima, Tokyo 171-8501, Japan
15. KEK and Sokendai, 1-1 Oho, Tsukuba 305-0801, Japan
16. Department of Physics, Okayama University, Okayama, Okayama 700-8530, Japan
17. Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba 277-8583, Japan
18. Department of Earth and Planetary Sciences, Faculty of Sciences, Kyushu University, Nishi, Fukuoka 819-0395, Japan
19. High Energy Accelerator Research Organization (KEK), Oho 1-1, Tsukuba 305-0801, Japan
20. MAXI team, Institute of Physical and Chemical Research (RIKEN), 2-1, Hirosawa, Wako, Saitama 351-0198, Japan
21. Institute of Astronomy, Graduate School of Science, The University of Tokyo, 2-21-1, Osawa, Mitaka, Tokyo 181-0015, Japan
22. Faculty of Law, Ryukoku University, 67 Fukakusa Tsukamoto-cho, Fushimi-ku, Kyoto 612-8577, Japan
23. Department of Physics, Nihon University, 1-8 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8308, Japan
24. Research Center for the Early Universe (RESCEU), School of Science, The University of Tokyo, Tokyo 113-0033, Japan
25. Department of Physics, Faculty of Science and Engineering, Konan University, 8-9-1 Okamoto, Kobe, Hyogo 658-8501, Japan
26. Astronomical Institute, Graduate School of Science, Tohoku University, Aoba, Sendai 980-8578, Japan
27. College of Science and Engineering, Department of Physics and Mathematics, Aoyama Gakuin University, 5-10-1 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5258, Japan
28. Department of Physics, Faculty of Science, Toho University, 2-2-1 Miyama, Funabashi, Chiba 274-8510, Japan
29. Department of Physics, Kobe University, Kobe 657-8501, Japan
30. National Institute of Technology, Numazu College, Ooka 3600, Numazu, Shizuoka 410-8501, Japan
31. Research Center for Space Science, Advanced Research Laboratories, Tokyo City University, 8-15-1, Todoroki, Setagaya, Tokyo 158-0082, Japan, and Department of Information and Management Systems Engineering, Nagaoka University of Technology, Niigata 940-2188, Japan
32. Division of Science, National Astronomical Observatory of Japan, 2-21-1, Osawa, Mitaka, Tokyo 181-8588, Japan
33. Department of Earth Science and Astronomy, College of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
34. Kavli Institute for Particle Astrophysics and Cosmology, SLAC National Accelerator Laboratory, Stanford University, 2575 Sand Hill Road, Menlo Park, CA 94025, USA
35. Subaru Telescope, National Astronomical Observatory of Japan, 650 North A’ohoku Place, Hilo, Hawaii 96720, USA