Nature Genet. 29, 412–417 (2001).

Published online 26 November 2001; doi:10.1038/ng780

On page 413, the last line of the caption of Fig. 2 should read “... the CpG window overlapped with the region ranging from −200 bp of the transcription start site to the splice-donor site.”

On page 414, the last sentence of the caption of Table 2 should read “Approximately 70% of those 58 promoters are CpG-related.”