1. Division of Neurosurgery , Azevedo Lima State Hospital , Niterói , Rio de Janeiro , Brazil
2. Division of Neurosurgery , Department of Surgical Specialties , Antônio Pedro University Hospital, Fluminense Federal University , Niterói , Rio de Janeiro , Brazil
3. Division of Speech and Language Therapy , Azevedo Lima State Hospital , Niterói , Rio de Janeiro , Brazil
4. Division of Vascular Surgery , Azevedo Lima State Hospital , Niterói , Rio de Janeiro , Brazil
5. Division of Neurosurgery, Department of Surgery , Santa Casa Medical School , São Paulo SP , Brazil