1. Department of Pediatrics, Pediatric Cardiology, School of Medicine, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.
2. Department of Obstetrics and Gynecology, Federal University of Triângulo Mineiro (UFTM), Uberaba, Brazil.
3. Gynecology and Obstetrics Service, Mario Palmério University Hospital, University of Uberaba (UNIUBE), Uberaba, Brazil.
4. Department of Obstetrics, Paulista School of Medicine, Federal University of São Paulo (EPM-UNIFESP), São Paulo, Brazil.