1. Stress and Affective Disorders Programme, Department of Neuroscience and Behaviour, Faculty of Medicine of Ribeirao Preto, University of Sao Paulo, Sao Paulo, Brazil.
2. Department of Pharmacology, Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil.
3. Department of Neurosciences and Mental Health, School of Medicine, Federal University of Bahia, Salvador, Brazil.