1. Steroid Hormones Section (S.S.S.), Laboratory of Endocrinology and Receptor Biology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892
2. Departments of Molecular & Cellular Biology and Pathology & Immunology (D.P.E.), Baylor College of Medicine, Houston, Texas 77030
3. Department of Basic Sciences (R.K.), The Commonwealth Medical College, Scranton, Pennsylvania 18510