1. From the Knight Cardiovascular Institute, Oregon Health and Science University, Portland (M.F.); Department of Radiology (M.F., T.L., K.G., U.H.) and Cardiac MR PET CT Program (M.F., T.L., K.G., U.H.), Massachusetts General Hospital and Harvard Medical School, Boston; Research Program in Men’s Health: Aging and Metabolism, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA (K.M.P.); Department of Radiology, First Affiliated Hospital of China Medical University, Shenyang, China (T.L....