[1] III. Physikalisches Institut, RWTH Aachen University, Aachen,D-52056, Germany
[2] Department of Physics, University of Adelaide, Adelaide,5005, Australia
[3] Dept. of Physics and Astronomy, University of Alaska Anchorage, 3211 Providence Dr., Anchorage,AK,99508, United States
[4] Dept. of Physics, University of Texas at Arlington, 502 Yates St., Science Hall Rm 108, Box 19059, Arlington,TX,76019, United States
[5] CTSPS, Clark-Atlanta University, Atlanta,GA,30314, United States
[6] School of Physics, Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta,GA,30332, United States
[7] Dept. of Physics, Southern University, Baton Rouge,LA,70813, United States
[8] Dept. of Physics, University of California, Berkeley,CA,94720, United States
[9] Lawrence Berkeley National Laboratory, Berkeley,CA,94720, United States
[10] Institut für Physik, Humboldt-Universität zu Berlin, Berlin,D-12489, Germany
[11] Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, Bochum,D-44780, Germany
[12] Université Libre de Bruxelles, Science Faculty CP230, Brussels,B-1050, Belgium
[13] Vrije Universiteit Brussel (VUB), Dienst ELEM, Brussels,B-1050, Belgium
[14] Department of Physics, Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge,MA,02138, United States
[15] Dept. of Physics, Massachusetts Institute of Technology, Cambridge,MA,02139, United States
[16] Dept. of Physics, Institute for Global Prominent Research, Chiba University, Chiba,263-8522, Japan
[17] Department of Physics, Loyola University Chicago, Chicago,IL,60660, United States
[18] Dept. of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
[19] Dept. of Physics, University of Maryland, College Park,MD,20742, United States
[20] Dept. of Astronomy, Ohio State University, Columbus,OH,43210, United States
[21] Dept. of Physics, Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus,OH,43210, United States
[22] Niels Bohr Institute, University of Copenhagen, Copenhagen,DK-2100, Denmark
[23] Dept. of Physics, TU Dortmund University, Dortmund,D-44221, Germany
[24] Dept. of Physics and Astronomy, Michigan State University, East Lansing,MI,48824, United States
[25] Dept. of Physics, University of Alberta, Edmonton,AB,T6G 2E1, Canada
[26] Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen,D-91058, Germany
[27] Physik-department, Technische Universität München, Garching,D-85748, Germany
[28] Département de physique nucléaire et corpusculaire, Université de Genève, Genève,CH-1211, Switzerland
[29] Dept. of Physics and Astronomy, University of Gent, Gent,B-9000, Belgium
[30] Dept. of Physics and Astronomy, University of California, Irvine,CA,92697, United States
[31] Karlsruhe Institute of Technology, Institute for Astroparticle Physics, Karlsruhe,D-76021, Germany
[32] Karlsruhe Institute of Technology, Institute of Experimental Particle Physics, Karlsruhe,D-76021, Germany
[33] Dept. of Physics, Engineering Physics, and Astronomy, Queen’s University, Kingston,ON,K7L 3N6, Canada
[34] Dept. of Physics and Astronomy, University of Kansas, Lawrence,KS,66045, United States
[35] Department of Physics and Astronomy, UCLA, Los Angeles,CA,90095, United States
[36] Department of Physics, Mercer University, Macon,GA,31207-0001, United States
[37] Dept. of Astronomy, University of Wisconsin–Madison, Madison,WI,53706, United States
[38] Dept. of Physics, Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin–Madison, Madison,WI,53706, United States
[39] Institute of Physics, University of Mainz, Staudinger Weg 7, Mainz,D-55099, Germany
[40] Department of Physics, Marquette University, Milwaukee,WI,53201, United States
[41] Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, Münster,D-48149, Germany
[42] Bartol Research Institute, Dept. of Physics and Astronomy, University of Delaware, Newark,DE,19716, United States
[43] Dept. of Physics, Yale University, New Haven,CT,06520, United States
[44] Dept. of Physics, University of Oxford, Parks Road, Oxford,OX1 3PU, United Kingdom
[45] Dept. of Physics, Drexel University, 3141 Chestnut Street, Philadelphia,PA,19104, United States
[46] Physics Department, South Dakota School of Mines and Technology, Rapid City,SD,57701, United States
[47] Dept. of Physics, University of Wisconsin, River Falls,WI,54022, United States
[48] Dept. of Physics and Astronomy, University of Rochester, Rochester,NY,14627, United States
[49] Department of Physics and Astronomy, University of Utah, Salt Lake City,UT,84112, United States
[50] Oskar Klein Centre, Dept. of Physics, Stockholm University, Stockholm,SE-10691, Sweden
