1. Department of Medicine, University Center UNINOVAFAPI, Teresina 64073-505, Brazil
2. Department of Medicine, University Center IDOMED/UniFacid, Teresina 64073-505, Brazil
3. Pharmaceutical Sciences Graduation Program, Federal University of Piauí, Teresina 64049-550, Brazil
4. Department of Neurology, Federal University of Piauí, Teresina 64049-550, Brazil