1. From the National Institute of Science and Technology in Nanobiopharmaceutics (F.D.M., R.D.M.S., F.B.S., M.B.M., A.P.N., L.E.S., M.C.C.I., R.A.S.S.) and Departments of Physiology and Biophysics (F.D.M., A.P.A., R.A.S.S.), Morphology (F.D.M., A.J.F., B.A.J., G.A.B.S.), and General Pathology (M.V.C.), Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil; Rio Grande do Sul Cardiology Institute (M.C.C.I., R.A.S.S.), University Cardiology Foundation, Porto Alegre, Rio Grande do Sul,...