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1 From the Department of Medicine, Division of Cardiology, Columbia University Irving Medical Center, New York (M.S.B., R.Z., E.D.S.); and the Department of Internal Medicine, University of Michigan, and the Health Services Research and Development Center of Excellence, Veterans Affairs Ann Arbor Healthcare System - both in Ann Arbor (B.K.N., S.S.).
1 From the Department of Medicine, Division of Cardiology, Columbia University Irving Medical Center, New York (M.S.B., R.Z., E.D.S.); and the Department of Internal Medicine, University of Michigan, and the Health Services Research and Development Center of Excellence, Veterans Affairs Ann Arbor Healthcare System - both in Ann Arbor (B.K.N., S.S.).