Erratum for vol. 97, p. 2750

In the article entitled “Long-term induction of immune tolerance after blockade of CD40-CD40L interaction in a mouse model of hemophilia A,” which appeared in the May 1, 2001, issue ofBlood (97:2750-2757), 2 footnotes were missing from the title page: “Supported in part by grant HL61883 from the National Institutes of Health, NHLBI, Bethesda, MD.” and “G.R. and J.S. contributed equally to this manuscript.”