From the Division of Cardiology (S.S.K., N.A., N.S.B., T.J.B., S.N.R., E.N.F., C.M., S.E.L., N.F.M.), University of Utah School of Medicine, Salt Lake City, Utah; and Utah Center for Advanced Imaging Research (E.G.K., S.V., E.V.R.D.) and Scientific Computing Institute (J.B., R.S.M.), University of Utah, Salt Lake City, Utah. (At 2010-05)
