1. University of Colorado Health Sciences Center, Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine (C.L.M., R.H.E., T.M.), Denver, Colorado 80262
2. Center for Human Nutrition (C.L.M., R.H.E., M.J.P.), Denver, Colorado 80262
3. Department of Pediatrics (M.J.P.), Denver, Colorado 80262