1. Department of Physiology and Biophysics, Biological Science Institute, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
2. Laboratory of Hypertension, Departamento de Fisiologia e Biofísica, Universidade Federal de Minas Gerais, Av. Antonio Carlos, 6627 – ICB, 31270-901; Belo Horizonte, MG, Brazil