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Schuster, D. Tcherniakhovski, D. Tegolo, D. Thomas, D. Veberi\\v{c}, D. Warner, D. Zavrtanik, E. Arganda, E. Colombo, E.D. Fraenkel, E. Grashorn, E.J. Ahn, E.J. Quel J. Rautenberg, E. Kemp, E. Menichetti, E. Moreno, E.M. Santos, E. Parizot, E. Petermann, E. Roulet, E. Santos, E. Strazzeri, E. Trovato, E. Zas, F. Arqueros, F. Blanco, F. Contreras, F. Gomez Albarracin, F. Ionita, F. Kuehn, F. Montanet, F. Salamida, F. S\\'anchez, F. Sarazin, F. Schmidt, F. Schroeder, F. Sch\\\"ussler, F. Suarez, G. Avila, G. Cataldi, G. Decerprit, G. De La Vega, G. Farrar, G. Gelmini, G. Golup, G. la Rosa, G. Marsella, G. Matthiae, G. Medina-Tanco, G. Navarra, G. Parente, G.P. Guedes, G. Rodriguez, G. Ros, G.R. Snow, G. Salina, G. Sigl, G. Tristram, G. Wieczorek, G. Yuan, H. Asorey, H. Bl\\\"umer, H. Cook, H. Dembinski, H. Falcke, H. Gemmeke, H. Glass, H.J. Mathes, H. Lyberis, H.O. Klages, H. Rivera, H.R. Marquez Falcon, H. Salazar, H. Schieler, H. Schoorlemmer, H. Spinka, H. Wahlberg, H. Wilczy\\'nski, I. Allekotte, I.C. Maris, I. De Mitri, I. Dutan, I. Fleck, I. Lhenry-Yvon, I.M. Pepe, I. Rodriguez-Cabo, I. Sidelnik, I. Vali\\~no, I. Zaw, J.A. Bellido, J.A. Chinellato, J.A.J. Matthews, J. Allen, J. Alvarez Castillo, J. Alvarez-Mu\\~niz, J. Aublin, J. Brack, J.C. Diaz, J.C. D'Olivo, J.C. dos Anjos, J. Chauvin, J. Chudoba, J.C. Moreno C. Morris, J. Coppens, J. Cronin, J.D. Hague, J. Ebr, J.F. Vald\\'es Galicia, J.G. Gonzalez, J.J. Beatty, J.K. Kulbartz, J. Kleinfeller, J. Knapp, J.L. Harton, J.L. Kelley, J.L. Navarro, J. Lozano Bahilo, J. Matthews, J. Oehlschl\\\"ager, J. Pallotta N. Palmieri, J. Parrisius, J. P\\c{e}kala, J. Petrovic, J.R. H\\\"orandel, J. Ridky, J. Rodriguez Martino, J. Rodriguez Rojo, J. Rosado, J.R.T. de Mello Neto, J.R. V\\'azquez, J. Schovancova, J. Sorokin, J. Stapleton, J. Stasielak, J. Swain, J. Tiffenberg, K. Arisaka, K.B. Barber, K. Daumiller, K.D. de Vries, K. Gesterling, K.H. Becker, K.H. Kampert, K. Kadija, K. Kotera, K. Link, K. Louedec, K. Payet, K.S. Caballero-Mora, K. Weidenhaupt, L. Anchordoqui, L. Caramete, L. Cazon, L. Del Peral, L. Martin, L. Miramonti, L. Nellen, L. No\\v{z}ka, L. Perrone, L. Valore, L. Villase\\~nor, L. Wiencke, L. Winders, M. Aglietta, M.A. Leigui de Oliveira, M. Ambrosio, M.A. Muller, M. Ave, M. Avenier, M. Balzer, M. Blanco, M. Boh\\'a\\v{c}ov\\'a, M.C. Maccarone, M. De Domenico, M.D. Rodr\\'iguez-Fr\\'ias, M. Erdmann, M. Giller, M. G\\'omez Berisso, M. Grigat, M.G. Winnick, M. Hrabovsk\\'y, M.I. Micheletti, M.J. Cooper, M. Kaducak, M. Kleifges, M.L. D\\'iaz Castro, M. Ludwig, M. McEwen, M. Melissas, M. Monasor, M. Mostaf\\'a, M. M\\\"unchmeyer, M. Nyklicek, M. Ortiz, M. Palatka, M. Pech, M. Pimenta, M. Platino, M. Pontz, M. Prouza, M.R. Coluccia, M. Risse, M. Roth, M.S.A.B. Le\\~ao, M. Santander, M. Scuderi, M. Settimo, M.S. Gold, M.S. Sutherland, M. Stephan, M.T. Dova, M. Tueros, M. Unger, M. Urban, M. Videla, M. Will, M. Wommer, M. Zavrtanik, M. Ziolkowski, N. Borodai, N. Fazzini, N.G. Busca, N. Krohm, N. Kunka, N. Nierstenhoefer, N. Pacheco, N. Phan, N. Scharf, N.T. Thao, O. Catalano, O. Deligny, O. Kr\\\"omer, O. Mart\\'inez Bravo, O. Ravel, O. Scholten, O. Ta\\c{s}c\\u{a}u, O. Wainberg, P. Assis, P. Billoir, P. Brogueira, P. Buchholz, P. Facal San Luis, P. Gon\\c{c}alves, P. Gouffon, P. Hansen D. Harari S. Harmsma, P. Homola, P. Karhan, P. Kasper, P. Lautridou, P.L. Biermann, P. Lebrun, P.L. Ghia, P. Mantsch, P.N. Diep, P.N. Dong, P. Necesal, P. Oliva, P.O. Mazur, P. Petrinca, P. Privitera, P. Ristori, P. Schiffer, P. Schov\\'anek, P. Sommers, P.T. Nhung, P. Travnicek, P. Wahrlich, P. Younk, R.A. V\\'azquez, R. Bardenet, R. Bonino, R. Bruijn, R. Caruso, R. Cester, R. Concei\\c{c}\\~ao, R.C. Shellard, R. Dallier, R.D. Parsons, R.E. Burton, R. Engel, R.F. Gamarra, R. L\\'opez, R.M. de Almeida, R.M. Kieckhafer, R. Mussa, R. Pelayo, R. Pesce, R. Piegaia, R. Sato, R. Squartini, R. Tcaciuc, R. Ulrich, R. \\v{S}m\\'ida, R.W. Clay, S. Andringa, S. Coutu, S. Dagoret-Campagne, S. Dasso, S. Fliescher, S. Gambetta, S. Grebe, S.J. De Jong, S. Jiraskova, S.J. Sciutto, S.L.C. Barroso, S. Maldera, S. Mi\\v{c}anovi\\'c, S. Mollerach, S. Mueller, S. Navas, S. Pastor, S. Petrera, S.R. Gozzini, S. Riggi, S. Sarkar, S. Schulte, T. Anti\\v{c}i\\'c, T. B\\\"acker, T. Bergmann, T. Hebbeker, The Pierre Auger Collaboration: P. Abreu, T. Huege, T. Karova, T. Paul, T. Pierog, T. Rossler, T. Schmidt, T. Suomij\\\"arvi, T. Tarutina, T. Venters, T. \\v{S}u\\v{s}a, T. Winchen, T. Yamamoto, U. Cotti, U. Fr\\\"ohlich, U. Giaccari, V.C. Holmes, V. de Souza, V.H. Ponce, V. Marin, V.M. Olmos-Gilbaja, V. Pavlidou, V. Pirronello, V. Rizi, V. Scherini, V. Verzi, W.C. Brown, W. Fulgione, W.J.M. de Mello Junior, W. Miller, W. Tkaczyk, X. Bertou, X. Garrido, Y. Guardincerri F. Guarino, Y. Petrov, Z. 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