1. From the Translational and Molecular Imaging Institute (T.S., D.P.C., W.J.M.M., Z.A.F.), Mount Sinai School of Medicine, New York; the Clinical Institute and Department of Cardiology (T.S., E.F.), Aarhus University Hospital (Skejby), Denmark; the Departments of Medicine (Cardiology) and Cell Biology (E.A.F.), NYU School of Medicine, New York.