1. Department of Obstetrics & Gynecology, Morristown Medical Center, Morristown, NJ, USA
2. Atlantic Center for Research, Atlantic Health System, Morristown, NJ, USA
3. Division of Maternal Fetal Medicine, Department of Obstetrics & Gynecology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
4. Atlantic Maternal Fetal Medicine, Morristown, NJ, USA