Affiliation: | 1. Department of Obstetrics, Paulista School of Medicine—Federal University of São Paulo (EPM-UNIFESP), São Paulo, SP, Brazil;2. Department of Neurosurgery, Paulista School of Medicine—Federal University of São Paulo (EPM-UNIFESP), São Paulo, SP, Brazil Hospital and Maternity Santa Joana, São Paulo, SP, Brazil;3. Department of Obstetrics, Paulista School of Medicine—Federal University of São Paulo (EPM-UNIFESP), São Paulo, SP, Brazil Hospital and Maternity Santa Joana, São Paulo, SP, Brazil |