1. Department of Obstetrics and Gynecology; Baylor College of Medicine; Houston TX USA
2. Texas Children's Fetal Center; Houston TX USA
3. Department of Diagnostic and Interventional Imaging; The University of Texas Health Science Center; Houston TX USA
4. Department of Radiology; Baylor College of Medicine; Houston TX USA
5. Department of Pediatric Radiology; Texas Children's Hospital; Houston TX USA