1. From the Department of Cardiovascular Sciences, European Hospital, Rome, Italy (F.T., L.D.L., A.P., A.S.G., L.W.); Division of Cardiology of the Department of Medicine, University of Verona, Verona, Italy (F.R., M.P., C.V.); Institute of Cardiology, University Magna Grecia, Catanzaro, Italy (C.S.); Department of Cardiology, Vannini Hospital, Rome, Italy (I.P.); Institute of Cardiology, Cattolica University, Rome, Italy (C.T.); and Division of Nuclear Medicine, Madonna della Fiducia Clinic, Rome,...