1. Department of Pathology; University of Oklahoma Health Sciences Center; Oklahoma City Oklahoma
2. Division of Cancer Epidemiology and Genetics; National Cancer Institute, National Institutes of Health; Bethesda Maryland
3. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology; University of Oklahoma Health Sciences Center; Oklahoma City Oklahoma
4. Department of Cancer Etiology; City of Hope and the Beckman Institute; Duarte California