Affiliation: | a Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Conn b Section of Health Policy and Administration, Department of Epidemiology and Public Health, Yale University School of Medicine, New Haven, Conn c Qualidigm, Middletown, Conn d Flying Buttress Associates, Charlottesville, Va e Division of Cardiology, Department of Medicine, Denver Health Medical Center, Denver, Colo f Division of Geriatric Medicine, Department of Medicine, University of Colorado Health Care Sciences Centers, Denver, Colo g Division of Cardiology, Department of Medicine, University of Colorado Health Care Sciences Centers, Denver, Colo h Colorado Foundation for Medical Care, Aurora, Colo i Centers for Medicare and Medicaid Services, Boston, Mass |