Luis A. Concha-Rebollar, Department of Magnetic Resonance Imaging, Hospital Angeles Lomas, Mexico City, Mexico;
Eduardo Torres-Olivas, Department of Magnetic Resonance Imaging, Hospital Angeles Lomas, Mexico City, Mexico;
Carla M. Garcia-Moreno, Department of Magnetic Resonance Imaging, Hospital Angeles Lomas, Mexico City, Mexico;
Beatriz Elias-Perez, Department of Magnetic Resonance Imaging, Hospital Angeles Lomas, Mexico City, Mexico;
Maria Barrera-Esparza, Department of Magnetic Resonance Imaging, Hospital Angeles Lomas, Mexico City, Mexico;
Nancy Sierra-Lozada, Maternal-Fetal Medicine Clinic, Hospital Angeles Lomas, Huixquilucan, Estado de Mexico, Mexico;
Sandra Acevedo-Gallegos, Department of Maternal-Fetal Medicine, Instituto Nacional de Perinatologia. Mexico City, Mexico;