1. From the Institute Dante Pazzanese of Cardiology, São Paulo, Brazil (J.E.S., A.A., A.S., A.C.S., L.M.d.S., F.F., I.P., L.A.M.); University of Florida–Shands, Jacksonville, Fla (M.A.C.); and Department of Cardiovascular Pathology, Armed Forces Institute of Pathology, Washington, DC (A.F., R.V.).