1. Department of Medicine, West Virginia University, Morgantown
2. Department of Medicine, Washington Hospital Health Care System, Fremont, California
3. Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland, Ohio
4. Department of Medicine, John H. Stroger Cook County Hospital, Chicago, Illinois
5. Johns Hopkins School of Medicine, Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, Maryland
6. Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
7. Division of Cardiology, University of Arizona College of Medicine, Phoenix