1 Department of Cardiology, Westchester Medical Centre, New York Medical College, Valhalla, NY, USA.
2 The Michael E. DeBakey VA Medical Center, Houston, TX, USA; Section of Cardiology, Baylor College of Medicine, Houston, TX, USA.
3 Mayo Clinic Evidence-based Practice Center, Rochester, MN, USA; Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, MN, USA; Division of Health Care Policy and Research, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA.
4 John Ochsner Heart and Vascular Institute, Ochsner Clinical School, The University of Queensland School of Medicine, New Orleans, LA, USA.
5 The Michael E. DeBakey VA Medical Center, Houston, TX, USA; Section of Cardiology, Baylor College of Medicine, Houston, TX, USA. Electronic address: Chayakrit.Krittanawong@va.gov.