1. From the Physiology Department, Universidade Federal do Rio Grande do Norte, Natal, Brazil (FCC, CLCC); Campus Arapiraca, Universidade Federal de Alagoas, Arapiraca, Brazil (DGC, MRB, TGA); Integrated Medicine Department, Universidade Federal do Rio Grande do Norte, Natal, Brazil (LGOJ, ABSN, COGJ); Bioscience Department, Universidade Federal de São Paulo, Santos, Brazil and Pharmacology Department, Universidade Federal de São Paulo, São Paulo, Brazil (AMR, RHS).