| Affiliation: | 1.Center for Theoretical Physics,Polish Academy of Sciences,Warsaw,Poland;2.The Observatories of the Carnegie Institution of Washington,Pasadena,USA;3.Copernicus Astronomical Center,Polish Academy of Sciences,Warsaw,Poland;4.Department of Physics & Astronomy,Wayne State University,Detroit,USA;5.INAF,Osservatorio Astronomico di Capodimonte,Napoli,Italy;6.Departamento de Física,Universidade Federal de Sergipe,Aracaju,Brazil;7.Utah Valley University,Orem,USA;8.Department of Physics and Astronomy,The State University of New Jersey,Piscataway,USA;9.INAF,Arcetri Astrophysical Observatory,Firenze,Italy;10.Centre for Extragalactic Astronomy, Department of Physics,Durham University,Durham,UK;11.Institute of Astronomy, Graduate School of Science,The University of Tokyo,Mitaka, Tokyo,Japan;12.Astrophysics Research Institute,Liverpool John Moores University,Liverpool,UK;13.Anton Pannekoek Institute for Astronomy,University of Amsterdam,Amsterdam,The Netherlands;14.Steward Observatory,University of Arizona,Tucson,USA;15.Institute for Cosmic Ray Research,The University of Tokyo,Kashiwa City, Chiba,Japan |
