1. Cellular and Molecular Biology, State University of Maringá, Maringá, PR, Brazil
2. Physiological Sciences, State University of Maringá, Maringá, PR, Brazil
3. Department of Pharmacology and Therapeutics, State University of Maringá, Maringá, PR, Brazil
4. Department of Morphologic Sciences, State University of Maringá, Maringá, PR, Brazil