1 Department of Neurology and Neurosurgery, Universidade Federal de Sao Paulo, Sao Paulo-SP, Brazil; Department of Fetal Neurosurgery, Hospital e Maternidade Santa Joana, São Paulo-SP, Brazil.
2 Department of Neurology and Neurosurgery, Universidade Federal de Sao Paulo, Sao Paulo-SP, Brazil.
3 Division of Maternal-Fetal Medicine, Latin American Fetal Medicine Foudation, Campinas, São Paulo, Brazil.
4 Department of Fetal Medicine, Hospital e Maternidade Santa Joana, São Paulo-SP, Brazil.