1. Department of Epidemiology and the Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland2Ciccarone Center for the Prevention of Heart Disease, Department of Medicine, Johns H
2. Department of Epidemiology and the Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
3. Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts
4. Michael E DeBakey Veterans Affairs Hospital, Houston, Texas5Department of Medicine, Section of Cardiovascular Research, Baylor College of Medicine, Houston, Texas6Houston Methodist DeBakey Heart and Vascular Center, Houston, Texas
5. Department of Medicine, Section of Cardiovascular Research, Baylor College of Medicine, Houston, Texas6Houston Methodist DeBakey Heart and Vascular Center, Houston, Texas
6. Ciccarone Center for the Prevention of Heart Disease, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland