On page 5533 of the June 15, 2008, issue, there is an error in reporting the confidence intervals related to the 11% incidence of acute 2-IV graft-versus-host disease. The first sentence of the second paragraph under the heading “Survival and toxicity” should have read: “The incidence of grade 2-IV acute GVHD was 11% (95% CI, 5%-24%; Figure 4).”

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