1. From the St. Vincent’s Institute of Medical Research (D.J.C., B.E.K.), Fitzroy, Victoria; the Department of Medicine (D.J.C., A.J.J., B.E.K.), University of Melbourne, St. Vincent’s Hospital, Fitzroy, Victoria; Commonwealth Scientific and Industrial Research Organization Health Sciences and Nutrition (B.E.K.), Parkville, Victoria; and The George Institute for International Health (M.W., J.P.C., S.A.C., B.C.N., A.P., S.W.M.), University of Sydney, Newtown, New South Wales, Australia.