1. Perinatal Ultrasound and Diagnostic Center, Miami Valley Hospital, One Wyoming Street, Dayton, OH 45409
2. Perinatal Ultrasound and Diagnostic Center, Miami Valley Hospital, Dayton, Ohio
3. Department of Obstetrics and Gynecology, Wright State University School of Medicine, Dayton, Ohio
4. Department of Obstetrics and Gynecology, Wright State University School of Medicine, Dayton, Ohio; Deceased