Vol. 200, No. 5, September 6, 2004. Pages 587–599.

Due to technical errors during the final production stages of this article, various symbols and special characters were improperly converted to standard text, resulting in erroneous terms appearing inconsistently throughout the original article as listed below.

CD41 should be CD4+ throughout

NF-kB should be NF-κB throughout

CD21low should be CD21low throughout

CD21high should be CD21high throughout

.15 yr should be >15 yr on page 596

59 end should be 5′ end in Reference 27

IgE1 should be IgE+ in Reference 61

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