1. Department of Pediatrics (P.C.), University of California Los Angeles, Los Angeles, California 90095
2. Novo Nordisk (G.M.B.), Princeton, New Jersey 08540
3. Department of Pediatrics (A.D.R.), University of Virginia, Charlottesville, Virginia 22903
4. Novo Nordisk (A.-M.K.), DK2830 Copenhagen, Denmark
5. Department of Pediatrics (R.G.R.), Oregon Health & Sciences University, Portland, Oregon 97201