1. Department of Biostatistics & Epidemiology; College of Public Health, University of Oklahoma Health Sciences Center; Oklahoma City Oklahoma
2. Hematology-Oncology Section, Department of Medicine; College of Medicine, University of Oklahoma Health Sciences Center; Oklahoma City Oklahoma
3. Department of Pathology; College of Medicine, University of Oklahoma Health Sciences Center; Oklahoma City Oklahoma
4. Department of Obstetrics and Gynecology; College of Medicine, University of Oklahoma Health Sciences Center; Oklahoma City Oklahoma