摘要：The calculation of the luminosities L λ,rest (λ rest ) for all 20 galaxies
in the sample from the original paper was underestimated by a
factor (1 + z) 4 . This implies that the vertical axis of Figs. 5, 6
and A.1 in the paper should be multiplied by that factor. Here
we include corrected figures. The conclusions of the paper are
not affected by this correction.
