1 S.. Piranomonte, P.A. Ward, F.. Fiore, S.D. Vergani, V.. D’Elia, Y.. Krongold, F.. Nicastro, E.J.A. Meurs, G.. Chincarini, S.. Covino, M.D. Valle, D.. Fugazza, L.. Norci, L.. Sbordone, L.. Stella, G.. Tagliaferri, D.N. Burrows, N.. Gehrels, P.. Goldoni, D.. Malesani, I.F. Mirabel, L.J. Pellizza, and R.. Perna, Astronomy and Astrophysics 492, (2008).