Systematic identification of trans eQTLs as putative drivers of known disease associations. by Westra, H, Peters, M, Esko, T, Yaghootkar, H, Schurmann, C, Kettunen, J, Christiansen, M, Fairfax, B, Schramm, K, Powell, J, Zhernakova, A, Zhernakova, D, Veldink, J, Van den Berg, L, Karjalainen, J, Withoff, S, Uitterlinden, A, Hofman, A, Rivadeneira, F, 't Hoen, P, Reinmaa, E, Fischer, K, Nelis, M, Milani, L, Melzer, D