1. Departments of Pathology (N.C.O.), Burlington, Vermont 05405
2. Department of Medical Biostatistics (P.W.C.), University of Vermont, Burlington, Vermont 05405
3. Departments of Nutritional Sciences and Medicine and Dalla Lana School of Public Health (A.J.G.H.), University of Toronto, Toronto, Ontario, Canada M5S 3E2
4. Eli Lilly and Co. (A.F.), A-1030 Vienna, Austria
5. Department of Medicine (S.M.H.), Baylor College of Medicine, Houston, Texas 77030
6. Division of Public Health Sciences (L.E.W.), Wake Forest School of Medicine, Winston-Salem, North Carolina 27157
7. Pathology and Biochemistry (R.P.T.), University of Vermont College of Medicine, Burlington, Vermont 05405