1. From the Department of Internal Medicine and Medical Specialties (D.N., A.B.C., V.V., F.F., M.D., R.S., M.R.A.), University of Palermo, Italy; Department of Biomedical Sciences (E.P., P.T.), University of Modena & Reggio Emilia, Italy; Department of Clinical and Experimental Medicine (G.V.), University of Ferrara, Ferrara, Italy; School of Medicine, Washington University, St. Louis, MO (P.Y.); Cardiovascular Research Center and Center for Human Genetic Research (S.K.), Massachusetts General...