Longitudinal data reveal strong genetic and weak non-genetic components of ethnicity-dependent blood DNA methylation levels oleh Chris McKennan, Katherine Naughton, Catherine Stanhope, Meyer Kattan, George T. O’Connor, Megan T. Sandel, Cynthia M. Visness, Robert A. Wood, Leonard B. Bacharier, Avraham Beigelman, Stephanie Lovinsky-Desir, Alkis Togias, James E. Gern, Dan Nicolae, Carole Ober