1. Centro de Ciências da Saúde, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
2. Department of Neurosurgery, Hospital Universitário, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
3. Department of Neurosurgery, Hospital Regional de São José Dr. Homero de Miranda Gomes, São José, SC, Brazil
4. Department of Neurosurgery, Hospital Governador Celso Ramos, Florianópolis, SC, Brazil
5. Department of Neurosurgery, Hospital Infantil Joana de Gusmão, Florianópolis, SC, Brazil