1. From the Heart Institute (InCor), University of São Paulo Medical School, Brazil (L.d.S., T.A.S., D.F.A.-J., L.C.G.C., A.C.P., A.L.T.B., A.J.M., J.E.K., A.C.C.G.); Department of Physiological Sciences, Federal University of Espírito Santo, Vitória, Brazil (L.d.S.); and Department of Physiology, Federal University of São Paulo University of São Paulo, Brazil (E.L.A., P.J.F.T.).