1. St Luke’s Hospital, Department of Medicine, Chesterfield, Missouri
2. Ciccarone Center for the Prevention of Cardiovascular Disease, Johns Hopkins University School of Medicine, Baltimore, Maryland
3. Department of Internal Medicine, East Carolina University, Greenville, North Carolina
4. Department of Medicine, New York Presbyterian-Weill Cornell Medical College, New York
5. Department of Medicine, Johns Hopkins University, Baltimore, Maryland
6. Emory Clinical Cardiovascular Research Institute, Atlanta, Georgia
7. Division of Cardiology, University of Louisville, Louisville, Kentucky