1. Department of Medicine (J.S.M., P.W.L.), Division of Endocrinology
2. Department of Pediatrics (S.R.G.), Baltimore, Maryland 21224
3. Human Genome Sciences, Inc. (E.P.), Rockville, Maryland 20850
4. Gilead Sciences Inc. (G.M.S.), Foster City, California 94404
5. Department of Medicine (A.R.), Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21224