Additional file 11: Figure S4. of The dynamics of smoking-related disturbed methylation: a two time-point study of methylation change in smokers, non-smokers and former smokers WilsonRory WahlSimone PfeifferLiliane Ward-CavinessCavin KunzeSonja KretschmerAnja ReischlEva PetersAnnette GiegerChristian WaldenbergerMelanie 2017 Boxplots of the methylation values for the CS-CS individuals (current smokers at both baseline and follow-up) and the NS-NS individuals (never smokers at both baseline and follow-up). Figure S4a shows the technically adjusted beta values and Figure S4b shows the methylation beta values after residualization to account for confounding (see Statistical Methods). (PDF 23 kb)