1 Division of Maternal-Fetal Medicine, Department of Obstetrics, Penn State College of Medicine, Penn State Health, Milton S. Hershey Medical Center, Hershey, PA, USA.
2 Current Affiliation: Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, WI, USA.
3 Division of Maternal-Fetal Medicine, Department of Obstetrics, Penn State College of Medicine, Penn State Health, Milton S. Hershey Medical Center, Hershey, PA, USA. wcurtin@pennstatehealth.psu.edu.
4 Department of Pathology and Laboratory Medicine, Penn State Health, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA. wcurtin@pennstatehealth.psu.edu.
5 Department of Obstetrics, Penn State College of Medicine, Penn State Health, Milton S. Hershey Medical Center, Hershey, PA, USA.
6 Department of Pharmacology, Penn State College of Medicine, Hershey, PA, USA.