1. Veterans Affairs Eastern Colorado Geriatric Research Education and Clinical Center, Denver, CO, USA
2. Division of Geriatric Medicine, University of Colorado School of Medicine, Aurora, CO, USA
3. Adult and Child Consortium for Health Outcomes Research and Delivery Science, University of Colorado School of Medicine, Aurora, CO, USA
4. Division of Cardiology, University of Colorado School of Medicine, Aurora, CO, USA
5. Department of Cardiovascular Diseases, Mayo Clinic, Rochester, MN, USA
6. Washington University School of Medicine, St. Louis, MO, USA
7. Brigham and Women’s Hospital, Boston, MA, USA
8. Duke University Medical Center, Durham, NC, USA
9. St. Vincent Heart Center, Division of Cardiology, Indianapolis, IN, USA