1 Michael E. DeBakey VA Medical Center, Houston, Texas; Section of Cardiology, Baylor School of Medicine, Houston, Texas. Electronic address: Chayakrit.Krittanawong@bcm.edu.
2 Section of Cardiology, University Hospitals, Case Western Reserve University, Cleveland, Ohio.
3 Department of Internal Medicine, The University of Toledo, Toledo, Ohio.
4 Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minnesota; Division of Health Care Policy and Research, Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota.
5 Michael E. DeBakey VA Medical Center, Houston, Texas; Section of Cardiology, Baylor School of Medicine, Houston, Texas.