1. Post-graduation Program in Neuropsychiatry and Behavioral Sciences (Posneuro), Federal University of Pernambuco (UFPE) , Recife, Brazil
2. HTLV’s Research Group, University of Pernambuco (UPE) , Recife, Brazil
3. Institute of Biological Sciences (ICB), University of Pernambuco (UPE) , Recife, Brazil
4. Division of Neuropsychiatry, Federal University of Pernambuco (UFPE) , Recife, Brazil