1. Graduate School in Neuroscience; Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil.
2. Department of Pharmacology; Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil.
3. Graduate School in Physiology and Pharmacology; Institute of Biological Sciences, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil.