1Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, GA, USA
2Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
3Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
4Division of General Internal Medicine, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
5Division of Cardiovascular Research, Department of Medicine, Baylor College of Medicine, Houston, TX, USA
6Division of Cardiology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
7Cardiovascular Health Research Unit and Department of Epidemiology, University of Washington, Seattle, WA, USA