1. From the Duke Clinical Research Institute (R.D.K., E.D.P., B.G.H., K.E.F., B.L.L., L.H.C., A.F.H.) and Departments of Medicine (R.D.K., E.D.P., L.H.C., A.F.H.) and Psychiatry and Behavioral Sciences (K.E.F.), Duke University School of Medicine, Durham, NC; Palo Alto VA Medical Center, Palo Alto, CA (P.A.H.); Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH (I.L.P.); Cleveland Clinic, Cleveland, OH (N.M.A.); and Ahmanson-UCLA Cardiomyopathy Center, Ronald...