1. Departments of Obstetrics and Gynecology (S.M.H., M.L.A.)University of Houston, Houston, Texas 77204
2. the Dan L. Duncan Cancer Center (S.M.H., C.J.C., A.Z., M.L.A., M.M.M.), Baylor College of Medicine, Houston, Texas 77030;
3. Medicine (C.J.C.)University of Houston, Houston, Texas 77204
4. Pathology and Immunology (D.Y.H., P.H.G., M.L.A., M.M.M.)University of Houston, Houston, Texas 77204
5. Department of Biology and Biochemistry (P.H.G.), University of Houston, Houston, Texas 77204
6. Molecular and Cellular Biology (M.M.M.),University of Houston, Houston, Texas 77204
7. Molecular and Human Genetics (M.M.M.)University of Houston, Houston, Texas 77204