The impact of rare variation on gene expression across tissues by Li, X, Kim, Y, Tsang, EK, Davis, JR, Damani, FN, Chiang, C, Hess, GT, Zappala, Z, Strober, BJ, Scott, AJ, Li, A, Ganna, A, Bassik, MC, Merker, JD, Hall, IM, Battle, A, Montgomery, SB, McCarthy, MI, Payne, AJ