1. School of Medicine; Washington University; St. Louis Missouri
2. College of Nursing; New York University; New York New York
3. Leon H. Charney Division of Cardiology; NYU Langone Medical Center; New York New York
4. Duke Clinical Research Institute; Duke University Medical Center; Durham North Carolina
5. University of Pittsburgh Medical Center; Pittsburgh Pennsylvania
6. Department of Veterans Affairs; Geriatric, Research, Education, and Clinical Center; Pittsburgh Pennsylvania
7. School of Medicine; Wake Forest University; Winston-Salem North Carolina
8. Columbia University Medical Center; New York New York
9. RA Reif Heart Institute; Doylestown Hospital; Doylestown Pennsylvania
10. Temple University; Philadelphia Pennsylvania
11. University of Maryland; Baltimore Maryland
12. Mayo Clinic Arizona; Phoenix Arizona
13. University of Washington; Seattle Washington