Gehrels, N.N.GehrelsChincarini, G.G.ChincariniGiommi, PaoloPaoloGiommi2020-09-172020-09-172005-03-01https://hdl.handle.net/20.500.13025/242The Astrophysical Journal, Volume 621, Issue 1, pp. 558-558.Two authors, P. T. Boyd and M. Still, were inadvertently left off the author list in our original paper. We apologize for the omission.10.1086/427409http://adsabs.harvard.edu/abs/2005ApJ...621..558G2005ApJ...621..558G