Fig. 2From: Degradation of methylation signals in cryopreserved DNAMean global methylation per sample versus storage duration as DNA A for the discovery cohort and B the validation cohort; the change in methylation beta-value per year of storage as DNA and their associated q-values for C the discovery and D validation cohorts, where the horizontal line represents the q-value < 0.05 thresholdBack to article page