1. Division of Cardiology, Department of Medicine (S.S.K.,M.D.H., S.J.S.), Northwestern University Feinberg School of Medicine, Chicago, IL.
2. Department of Preventive Medicine (S.S.K., M.D.H.), Northwestern University Feinberg School of Medicine, Chicago, IL.
3. The George Institute for Global Health, University of New South Wales, Sydney, Australia (M.D.H.).