1. Department of Neurological Surgery, Clinics Hospital of the Faculty of Medicine, Federal University of Goiás, Goiânia, Goiás, Brazil
2. Faculty of Medicine, Federal University of Goiás, Goiânia, Goiás, Brazil
3. School of Medical and Life Sciences, Pontifical Catholic University of Goiás, Goiânia, Goiás, Brazil; and
4. Department of Infectious Diseases, Araújo Jorge Hospital, Goiânia, Goiás, Brazil