Mouse regulatory DNA landscapes reveal global principles of cis-regulatory evolution. by Vierstra, J, Rynes, E, Sandstrom, R, Zhang, M, Canfield, T, Hansen, R, Stehling-Sun, S, Sabo, P, Byron, R, Humbert, R, Thurman, R, Johnson, A, Vong, S, Lee, K, Bates, D, Neri, F, Diegel, M, Giste, E, Haugen, E, Dunn, D, Wilken, MS, Josefowicz, S, Samstein, R, Chang, K, Eichler, E