1. Departments of Pathology (K.H.B., S.O., M.M.M.), Baylor College of Medicine, Houston, Texas 77030
2. Department of Pharmacology, Case Western Reserve University (G.E.O., J.H.N.), Cleveland, Ohio 44106
3. Molecular and Human Genetics (K.H.B., M.M.M.), Baylor College of Medicine, Houston, Texas 77030
4. Molecular and Cellular Biology (M.M.M.), Baylor College of Medicine, Houston, Texas 77030