1. Department of Radiology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil;
2. Department of Radiology, Clínica Diagnóstico por Imagem (CDPI), Rio de Janeiro, Brazil;
3. Department of Obstetrics and Gynecology, Vassouras University, Vassouras, Brazil;
4. Department of Applied Physics and Thermodynamics, Physics Institute, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil;
5. Nuclear Engineering Program (PEN/COPPE), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil;
6. Department of Obstetrics, Paulista School of Medicine, Federal University of São Paulo (EPM-UNIFESP), São Paulo, Brazil