1. Veterans Affairs Medical CenterDepartment of Cardiology Washington DC USA
2. Department of Kinesiology and HealthRutgers University New Brunswick NJ USA
3. School of MedicineGeorge Washington University Washington DC USA
4. Georgetown University School of Medicine Washington DC USA
5. Department of Exercise Science, Arnold School of Public Health ColumbiaUniversity of South Carolina Columbia SC USA
6. Veterans Affairs Medical Center Washington DC USA
7. Preventive Cardiology and Cardiac Rehabilitation Beaumont Health Royal Oak MI USA
8. Oakland University William Beaumont School of Medicine Rochester MI USA
9. John Ochsner Heart and Vascular Institute, Department of Cardiovascular DiseasesOchsner Clinical School‐the University Queensland School of Medicine New Orleans LA USA
10. Cardiology DivisionVeterans Affairs Palo Alto Health Care System Palo Alto CA USA
11. Stanford University Stanford CA USA