Affiliation: | 1. Department of Obstetrics, Paulista School of Medicine, Federal University of São Paulo (EPM-UNIFESP), São Paulo, SP, Brazil;2. Department of Obstetrics and Gynecology, University of Rome ‘Tor Vergata’, Rome, Italy;3. Department of Obstetrics and Gynecology, Ribeirão Preto Medical School, University of São Paulo (DGO-FMRP-USP), Ribeirão Preto, SP, Brazil |