1 Saint Luke's Mid America Heart Institute, University of Missouri-Kansas City, Kansas City, MO. Electronic address: jokeefe@saint-lukes.org.
2 Preventive Cardiology and Cardiac Rehabilitation, William Beaumont Hospital, Royal Oak, MI; Oakland University William Beaumont School of Medicine, Rochester, MI.
3 Department of Cardiovascular Diseases, John Ochsner Heart and Vascular Institute, Ochsner Clinical School-The University of Queensland School of Medicine, New Orleans, LA; Department of Preventive Medicine, Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA.