1. From the Cardiothoracic Department, University Hospital “Santa Maria della Misericordia,” Udine, Italy (G.P., D.M., G.M., A.P., G.N.); Cardiovascular Department, University Hospital “Ospedali Riuniti,” Trieste, Italy (G.P., G.V., B.P., G.S.); Postgraduate School of Cardiovascular Sciences, University of Trieste, Trieste, Italy (G.P., D.M.); and Divisions of Cardiology (G.A., S.C.B., P.D.) and Radiology (G.P.), “Santa Maria dei Battuti” Hospital, Conegliano, Italy.