1. Division of Cardiology, Department of Internal Medicine Emory Women's Heart Center Atlanta Georgia USA
2. Division of Cardiology, Department of Internal Medicine Andreas Gruentzig Cardiovascular Center Atlanta Georgia USA
3. Division of Cardiology, Department of Internal Medicine Emory Clinical Cardiovascular Research Institute Atlanta Georgia USA
4. J. Willis Hurst Internal Medicine Residency Program Emory University School of Medicine Atlanta Georgia USA
5. Department of Epidemiology Rollins School of Public Health, Emory University Atlanta Georgia USA
6. Division of Cardiology, Department of Internal Medicine Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine Seoul Republic of Korea