1. Cardiovascular Pathology Unit (C.B., G.T.), Azienda Ospedaliera Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua Medical School, Padova, Italy.
2. Clinical Cardiology Unit (S.I., M.P.M.), Azienda Ospedaliera; and Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua Medical School, Padova, Italy.