1. From the Departments of Medicine and Physiology, Division of Endocrinology and Metabolism, University of Toronto, Toronto, Canada (H.D., R.V., M.P., C.X., L.S., G.F.L.); Institut des Nutraceutiques et aliments fonctionnels, Université Laval, Québec, Canada (B.L.); Alberta Institute for Human Nutrition, University of Alberta, Edmonton, Alberta, Canada (S.P.); and Department of Internal Medicine, Washington University School of Medicine, St Louis, Mo (B.W.P.).