1. Department of Radiology, Abdominal Imaging Division, University of Washington, Seattle, WA.
2. Department of Radiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390.
3. Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX.
4. Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX.
5. Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, TX.