Institution: | aFrom the Cardiovascular Medicine, Cleveland Clinic, Cleveland, Ohio (M.T., S.F., Y.M., N.W., T.Y., K.T., T.S.); Thoracic and Cardiovascular Surgery, Cleveland Clinic, Cleveland, Ohio (A.M.G., G.B.P.); and Cardiac Noninvasive Laboratory, Cedars-Sinai Medical Center, Los Angeles, California (T.S.) |