1. From the Dipartimento Biomedico di Medicina Interna e Specialistica, Università degli Studi di Palermo, Palermo, Italy (A.B.C., D.N., V.V., R.S., M.R.A.); Center for Human Genetic Research (J.P.P., S.K.), and Cardiovascular Research Center (J.P.P., S.K.), Massachusetts General Hospital, Boston, MA; Program in Medical and Population Genetics, Broad Institute, Cambridge, MA (J.P.P., S.G., N.G., S.K.); Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy (P.T.); and...