1. Department of Pharmacology, Federal University of Paraná, Curitiba/PR, Brazil; Departamento de Farmacologia, Setor de Ciěncias Biológicas, Universidade Federal do Paraná, Curitiba/PR - Brasil, Caixa Postal 19031, CEP 81531-990, Brazil;
2. Department of Pharmacology, Federal University of Paraná, Curitiba/PR, Brazil