1. Division of Cardiovascular Medicine; Vanderbilt University Medical Center; Nashville Tennessee
2. Division of Cardiovascular Medicine; St. Luke's University Health Network; Bethlehem Pennsylvania
3. Department of Internal Medicine; St. Peter's University Hospital; New Brunswick New Jersey
4. Department of Internal Medicine; Cleveland Clinic; Cleveland Ohio
5. Division of Cardiovascular Medicine; State University of New York Downstate Medical Center; Brooklyn New York
6. Department of Internal Medicine; University of Tennessee Health Science Center; Memphis Tennessee
7. Division of Cardiovascular Medicine; Lehigh Valley Health Network; Allentown Pennsylvania
8. Division of Nephrology; Beth Israel Deaconess Medical Center; Boston Massachusetts