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Site-specific comparison of methylation at both time points. There are no significant differences in methylation at each CpG site for each gene. Methylation of each gene was measured in promoter regions at four sites for CCNA1 (a), 3 sites for NDN (b), five sites for DCC (c) and two sites for CD1A (d). Locations of each site, distance to transcription start sites and assay specifications are available in supplementary material.
