1. Department of Obstetrics & Gynecology Academic Offices, University of Toledo, College of Medicine & Life Sciences, 2142 N. Cove Blvd., Toledo, OH 43606, USA
2. Department of Obstetrics & Gynecology, University of Cincinnati College of Medicine, Kettering Maternal Fetal Medicine, Cincinnati, OH 45221, USA
3. Department of Obstetrics & Gynecology, Wright State University, 128 E. Apple St., Weber CHE, Suite 3800 Dayton, OH 45409, USA