1. From the Risk Factor Modification Centre (P.M.S., L.A.L., J.L.S., V.V.) and Division of Endocrinology and Metabolism (M.W., L.A.L.), St Michael’s Hospital, Toronto, Ontario, Canada; and Departments of Medicine (M.W., L.A.L, V.V.) and Nutritional Sciences (P.M.S., L.A.L., T.F.H., V.V.), Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.