1. Department of Obstetrics, Gynecology, and Reproductive SciencesRutgers Robert Wood Johnson Medical School New Brunswick New Jersey USA
2. Department of Gynecology and ObstetricsEmory University School of Medicine Atlanta Georgia USA
3. Department of Radiology, Brigham and Women's HospitalDana Farber Cancer Institute, Harvard Medical School Boston Massachusetts USA
4. Brigham and Women's HospitalHarvard Medical School Boston Massachusetts USA
5. Diagnostic Ultrasound Associates Brookline Massachusetts USA