Additional file 4: of From blood to lung tissue: effect of cigarette smoke on DNA methylation and lung function de VriesMaaike van der PlaatDiana NedeljkovicIvana Verkaik-SchakelRikst KooistraWierd AminNajaf van DuijnCornelia BrandsmaCorry-Anke van DiemenCleo VonkJudith Marike BoezenH 2018 Overview results of the association between DNA methylation and smoking status in lung tissue. (DOCX 19 kb)