1. From the Cardiovascular Department, “Ospedali Riuniti di Trieste” and University of Trieste, Trieste, Italy (M.A., M.M., G.S., G.B., G.F., B.P., A.S., A.P., G.S.); Cardiovascular Centre, Azienda per Servizi Sanitari no. 1 Triestina, Trieste, Italy (A.D.L.); Institute of Pathological Anatomy and Histology, “Ospedali Riuniti di Trieste” and University of Trieste, Trieste, Italy (R.B.); and Cardiovascular Centre Aalst, OLV Clinic, Aalst, Belgium (J.B.).