1. Department of Obstetrics and Gynecology, Division of Fetal Imaging; Oakland University William Beaumont Hospital School of Medicine; Rochester MI USA
2. Department of Radiology, Division of Pediatric Radiology; Oakland University William Beaumont Hospital School of Medicine; Rochester MI USA
3. Department of Obstetrics and Gynecology, Division of Women's and Fetal Imaging, Baylor College of Medicine; Houston TX USA
4. Department of Radiology, Division of Pediatric Radiology; Children's Hospital of Michigan, Detroit Medical Center; Detroit MI USA
5. Department of Obstetrics and Gynecology; Division of Maternal-Fetal Medicine, Baylor College of Medicine; Houston TX USA
6. Perinatology Research Branch; Eunice Kennedy Shriver NICHD/NIH/DHHS; Detroit MI USA
7. Department of Obstetrics and Gynecology; University of Michigan; Ann Arbor MI USA
8. Department of Epidemiology and Biostatistics; Michigan State University; East Lansing MI USA