1. Department of Obstetrics and Gynecology; The George Washington University Hospital; Washington; District of Columbia
2. Department of Surgery; Thomas Jefferson University Hospital; Philadelphia; Pennsylvania
3. Department of Pathology; Anatomy, and Cell Biology; Thomas Jefferson University Hospital; Philadelphia; Pennsylvania
4. Department of Pathology, Johns Hopkins; Baltimore; MD
5. Department of Surgery; Cooper University Hospital; Voorhees; New Jersey
6. Department of Medical Oncology; Thomas Jefferson University Hospital; Philadelphia; Pennsylvania
7. Department of Surgery; Aria Health System; Philadelphia; Pennsylvania