1. Department of Physiology and Biophysics (J.A.B.P., L.B.L., I.C.F., T.T.Z., A.M.R.-L., D.C.B., P.D.S.T., J.D.), Institute of Biomedical Sciences, University of São Paulo, São Paulo, 05508–000 Brazil
2. Department of Anatomy (M.A.S., R.F.), Institute of Biomedical Sciences, University of São Paulo, São Paulo, 05508-900 Brazil