1. New England Research Institutes, Inc. (M.A.G., G.R.C., A.B.A.), Watertown, Massachusetts 02472
2. Department of Nutrition (R.A.M., E.L.D.), Harvard School of Public Health, Boston, Massachusetts 02115
3. Channing Laboratory (E.L.D.), Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts 02115
4. Discipline of Medicine (G.A.W.), University of Adelaide, Adelaide, South Australia 5005, Australia