1. Division of Maternal-Fetal Medicine and Laboratory of Perinatal Research, Department of Obstetrics and Gynecology, The Ohio State University, College of Medicine and Wexner Medical Center, Columbus, OH, USA
2. Department of Obstetrics, Gynecology and Reproductive Sciences, Case Western Reserve University, School of Medicine, Cleveland, OH, USA
3. Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
4. Department of Biomedical Engineering, College of Engineering, The Ohio State University, Columbus, OH, USA