1. Department of Medicine (M.P.), Indiana University School of Medicine, Indianapolis, Indiana 46202
2. Bethesda Health Research (M.A.B.), Bethesda, Maryland 20817
3. Clinical Research Center of Reading, LLP (M.B.), West Reading, Pennsylvania 19611
4. Austin Thyroid and Endocrinology (S.S.), Austin, Texas 78758
5. Amgen, Inc. (L.R.S., S.C.), Thousand Oaks, California 91320
6. Endocrine Research Unit (D.S.), Department of Veterans Affairs Medical Center, Department of Medicine, University of California, San Francisco, San Francisco, California 94121