[1] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA
[2] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Computat Cosmol Ctr, Berkeley, CA 94720 USA
[3] Cardiff Univ, Sch Phys & Astron, Cardiff CF10 3XQ, S Glam, Wales
[4] High Energy Accelerator Org KEK, Tsukuba, Ibaraki 3050801, Japan
[5] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA
[6] Int Sch Adv Studies SISSA, I-34014 Trieste, Italy
[7] Pontificia Univ Catolica Chile, Dept Astron, Santiago, Chile
[8] Dalhousie Univ, Dept Phys & Atmospher Sci, Halifax, NS B3H 4R2, Canada
[9] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
[10] Univ Paris Diderot, Sorbonne Paris Cite, AstroParticule & Cosmol, CNRS,IN2P3,CEA,Irfu,Obs Paris, Paris, France
[11] McGill Univ, Dept Phys, Montreal, PQ H3A 0G4, Canada
[12] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2AZ, England
[13] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA
[14] Univ Colorado, Ctr Astrophys & Space Astron, Boulder, CO 80309 USA
[15] Univ Colorado, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA
[16] Univ Colorado, Dept Phys, Boulder, CO 80309 USA
[17] Grad Univ Adv Studies, Miura Dist, Kanagawa 2400115, Japan
[18] Univ Tokyo, Todai Inst Adv Study, Kavli Inst Phys & Math Universe WPI, Kashiwa, Chiba 2778583, Japan
[19] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA
[20] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA
[21] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA
[22] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA
[23] JAXA, Chofu, Tokyo, Japan
[24] NASA, Goddard Space Flight Ctr, Observat Cosmol Lab, Greenbelt, MD 20771 USA
[25] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA
[26] Univ Melbourne, Sch Phys, Parkville, Vic 3010, Australia
[27] Univ Calif Berkeley, Miller Inst Basic Res Sci, Berkeley, CA 94720 USA
[28] Osaka Univ, Toyonaka, Osaka 5600043, Japan