1. Departments of Pediatrics (R.A., E.H., D.F., M.F.), Duke University Medical Center, Durham, North Carolina 27710
2. Pharmacology (D.L., J.J.C., S.R.), Duke University Medical Center, Durham, North Carolina 27710
3. The Sarah W. Stedman Nutrition Center (D.L., J.J.C., S.R.), Duke University Medical Center, Durham, North Carolina 27710
4. Cell Biology (M.F.), Duke University Medical Center, Durham, North Carolina 27710