1. Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine and Surgery, Hackensack University Medical Center, Hackensack, NJ, USA
2. Center for Abnormal Placentation, Hackensack University Medical Center, Hackensack, NJ, USA
3. Department of Pathology, Hackensack University Medical Center, Hackensack, NJ, USA
4. Department of Radiology, Hackensack University Medical Center, Hackensack, NJ, USA