1. Department of Obstetrics and Gynecology, University of Washington School of Medicine, Seattle, WA, USA.
2. Division of Oncology and Pelvic Surgery, Pacific Gynecology Specialists, Seattle, WA, USA.
3. Department of Epidemiology, University of Washington School of Medicine, Seattle, WA, USA.
4. CellNetix Pathology and Laboratories, Seattle, WA, USA.
5. Department of Pathology, University of Washington School of Medicine, Seattle, WA, USA.
6. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Washington School of Medicine, Seattle, WA, USA.