P.A. Evans (1), A.P. Beardmore (1), K.L. Page (1), L.G. Tyler (1),
  J.P. Osborne (1), M.R. Goad (1), P.T. O'Brien (1), L. Vetere (2), J. Racusin
  (2), D. Morris (2), D.N. Burrows (2), M. Capalbi (3), M. Perri (3), N.
  Gehrels (4) and P. Romano (5,6) ((1) University of Leicester, (2)
  Pennsylvania State University, (3) ASI Science Data Center, (4) NASA/Goddard
  Space Flight Center, (5) INAF-Osservatorio Astronomico di Brera, (6)
  Universita' degli Studi di Milano)